Phone Number 510-999-03XX Information and Location Details

The 510-999-03XX area code prefix is located in San Jose, California including Hayward, Oakland and was originally put into service on January 14th 2000. Run a search and find out who's calling you now.

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Most recent look ups:

510-999-0321 on 2026-05-24
510-999-0315 on 2026-05-21
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510-999-0343 on 2026-05-25
510-999-0340 on 2026-05-22
510-999-0376 on 2026-05-25

Most Searched Area Codes:

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510-999 03XX ACTIVE PHONE NUMBERS DIRECTORY

Search for owner information and other data related to any phone number below.

(510) 999-0300People also searched - 5109990300 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-08-23

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(510) 999-0301People also searched - 5109990301 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-02-15

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(510) 999-0302People also searched - 5109990302 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-03-14

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(510) 999-0303People also searched - 5109990303 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-03-15

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(510) 999-0304People also searched - 5109990304 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-07-17

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(510) 999-0305People also searched - 5109990305 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-05-26

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(510) 999-0306People also searched - 5109990306 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-12-16

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(510) 999-0307People also searched - 5109990307 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-07-28

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(510) 999-0308People also searched - 5109990308 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-06-02

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(510) 999-0309People also searched - 5109990309 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-10-09

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(510) 999-0310People also searched - 5109990310 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-02-27

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(510) 999-0311People also searched - 5109990311 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-04-24

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(510) 999-0312People also searched - 5109990312 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-03-15

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(510) 999-0313People also searched - 5109990313 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-10-27

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(510) 999-0314People also searched - 5109990314 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-01-31

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(510) 999-0315People also searched - 5109990315 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-05-15

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(510) 999-0316People also searched - 5109990316 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-12-07

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(510) 999-0317People also searched - 5109990317 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-01-10

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(510) 999-0318People also searched - 5109990318 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-01-24

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(510) 999-0319People also searched - 5109990319 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-05-02

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(510) 999-0320People also searched - 5109990320 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-11-06

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(510) 999-0321People also searched - 5109990321 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-02-05

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(510) 999-0322People also searched - 5109990322 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-04-11

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(510) 999-0323People also searched - 5109990323 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-10-06

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(510) 999-0324People also searched - 5109990324 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-11-08
Neutral

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Report : Got a text stating to call 850-390-4724 ... See More

(510) 999-0325People also searched - 5109990325 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-06-06
Unknown

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Report : I didn't answer. No message.

(510) 999-0326People also searched - 5109990326 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-05-11

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(510) 999-0327People also searched - 5109990327 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-04-19

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(510) 999-0328People also searched - 5109990328 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-10-28

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(510) 999-0329People also searched - 5109990329 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-12-25

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(510) 999-0330People also searched - 5109990330 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-10-03

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(510) 999-0331People also searched - 5109990331 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-07-09

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(510) 999-0332People also searched - 5109990332 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-04-26
Unknown

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Report : Caller ID says "TOLL FREE CALL". Left n... See More

(510) 999-0333People also searched - 5109990333 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-11-22
Unknown

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Report : hey

(510) 999-0334People also searched - 5109990334 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-06-13

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(510) 999-0335People also searched - 5109990335 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-04-30

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(510) 999-0336People also searched - 5109990336 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-05-15

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(510) 999-0337People also searched - 5109990337 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-11-13

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(510) 999-0338People also searched - 5109990338 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-06-18

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(510) 999-0339People also searched - 5109990339 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-07-28

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(510) 999-0340People also searched - 5109990340 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-12-30
Unknown

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Report : Several calls from 866-317-1292.

(510) 999-0341People also searched - 5109990341 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-08-10

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(510) 999-0342People also searched - 5109990342 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-07-01

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(510) 999-0343People also searched - 5109990343 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-03-13

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(510) 999-0344People also searched - 5109990344 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-03-30

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(510) 999-0345People also searched - 5109990345 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-08-13
Unknown

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Report : Constantly calls

(510) 999-0346People also searched - 5109990346 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-10-30

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(510) 999-0347People also searched - 5109990347 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-07-02

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(510) 999-0348People also searched - 5109990348 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-01-23

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(510) 999-0349People also searched - 5109990349 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-05-26

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(510) 999-0350People also searched - 5109990350 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-09-09

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(510) 999-0351People also searched - 5109990351 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-07-19

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(510) 999-0352People also searched - 5109990352 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-08-09

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(510) 999-0353People also searched - 5109990353 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-11-10

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(510) 999-0354People also searched - 5109990354 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-03-27

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(510) 999-0355People also searched - 5109990355 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-12-11

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(510) 999-0356People also searched - 5109990356 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-04-17

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(510) 999-0357People also searched - 5109990357 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-12-22

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(510) 999-0358People also searched - 5109990358 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-03-07

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(510) 999-0359People also searched - 5109990359 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-12-15
Unknown

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Report : Case number being sued

(510) 999-0360People also searched - 5109990360 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-07-29

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(510) 999-0361People also searched - 5109990361 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-01-14

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(510) 999-0362People also searched - 5109990362 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-08-02

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(510) 999-0363People also searched - 5109990363 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-08-01
Unknown

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Report : Left no message.

(510) 999-0364People also searched - 5109990364 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-07-06

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(510) 999-0365People also searched - 5109990365 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-06-07
Unknown

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Report : Hey, I'm now up to 19 calls from this nu... See More

(510) 999-0366People also searched - 5109990366 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-03-05

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(510) 999-0367People also searched - 5109990367 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-06-01

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(510) 999-0368People also searched - 5109990368 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-09-10

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(510) 999-0369People also searched - 5109990369 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-03-09

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(510) 999-0370People also searched - 5109990370 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-05-06

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(510) 999-0371People also searched - 5109990371 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-03-30

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(510) 999-0372People also searched - 5109990372 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-07-17
Unknown

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Report : After I ran the number through both Yaho... See More

(510) 999-0373People also searched - 5109990373 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-11-14

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(510) 999-0374People also searched - 5109990374 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-07-31

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(510) 999-0375People also searched - 5109990375 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-08-07

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(510) 999-0376People also searched - 5109990376 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-04-09

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(510) 999-0377People also searched - 5109990377 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-09-26

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(510) 999-0378People also searched - 5109990378 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-04-13
Unknown

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Report : Caller ID shows "SCAM LIKELY".I pressed ... See More

(510) 999-0379People also searched - 5109990379 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-07-10
Dangerous

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Report : Unsolicited call stating that my doctor ... See More

(510) 999-0380People also searched - 5109990380 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-07-26

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(510) 999-0381People also searched - 5109990381 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-03-02
Unknown

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Report : Picked up phone and there was silence on... See More

(510) 999-0382People also searched - 5109990382 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-01-04

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(510) 999-0383People also searched - 5109990383 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-09-22

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(510) 999-0384People also searched - 5109990384 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-09-13

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(510) 999-0385People also searched - 5109990385 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-07-13

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(510) 999-0386People also searched - 5109990386 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-07-09

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(510) 999-0387People also searched - 5109990387 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-10-12

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(510) 999-0388People also searched - 5109990388 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-08-02

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(510) 999-0389People also searched - 5109990389 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-06-14

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(510) 999-0390People also searched - 5109990390 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-10-26

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(510) 999-0391People also searched - 5109990391 landline and VOIP

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Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-04-02

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(510) 999-0392People also searched - 5109990392 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-02-07
Neutral

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Report : Debt Collector - Account Control Technol... See More

(510) 999-0393People also searched - 5109990393 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-04-25

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(510) 999-0394People also searched - 5109990394 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-03-05

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(510) 999-0395People also searched - 5109990395 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-01-15

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(510) 999-0396People also searched - 5109990396 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-10-09

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(510) 999-0397People also searched - 5109990397 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-01-01
Dangerous

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Report : Same as the others - they call my phone ... See More

(510) 999-0398People also searched - 5109990398 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-02-24

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(510) 999-0399People also searched - 5109990399 landline and VOIP

landline and VOIP

Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-02-17

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The 510-999-03XX area code prefix is located in San Jose, California including Hayward, Oakland and was originally put into service on January 14th 2000. Run a search and find out who's calling you now.

Recently Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

510-999-0344
ReportCf Communications DBA Telekenex

510-999-0372
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510-999-0349
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510-999-0338
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510-999-0333
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510-999-0390
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510-999-0380
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510-999-0325
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510-999-0347
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510-999-0351
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510-999-0317
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510-999-0357
ReportCf Communications DBA Telekenex

510-999-0365
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510-999-0332
ReportCf Communications DBA Telekenex

510-999-0395
ReportCf Communications DBA Telekenex

510-999-0321
ReportCf Communications DBA Telekenex

Most searched numbers

Cell
All Time	This Month
510-999-0364 First seen 2024-01-15	510-999-0389 First seen 2022-05-31
510-999-0343 First seen 2015-12-16	510-999-0351 First seen 2017-10-19
510-999-0383 First seen 2022-01-11	510-999-0372 First seen 2011-03-01
510-999-0388 First seen 2015-04-04	510-999-0379 First seen 2024-07-18
510-999-0373 First seen 2015-10-03	510-999-0362 First seen 2013-06-24

Landline
All Time	This Month
510-999-0385 First seen 2017-10-29	510-999-0327 First seen 2023-10-03
510-999-0398 First seen 2024-10-03	510-999-0368 First seen 2017-07-09
510-999-0357 First seen 2013-12-22	510-999-0315 First seen 2021-05-27
510-999-0392 First seen 2019-07-01	510-999-0347 First seen 2017-03-12
510-999-0347 First seen 2018-12-13	510-999-0339 First seen 2020-04-19

Cities With coverage

CITY LIST

Alameda

Albany

Berkeley

Crockett

El Sobrante

Fremont

Hayward

Hercules

Oakland

Richmond

San Francisco

San Jose

San Leandro

Sunnyvale

Union City

Walnut Creek

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