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Reported Phone Number

  1. Area Code Lookup
  2. Area code 510
  3. Prefix 999
  4. 21XX
510-999-20XX
510-999-22XX

Phone Number 510-999-21XX Information and Location Details

The 510-999-21XX 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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510-999 21XX ACTIVE PHONE NUMBERS DIRECTORY

Search for owner information and other data related to any phone number below.
(510) 999-2100People also searched - 5109992100landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-01-21
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(510) 999-2101People also searched - 5109992101landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-07-04
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(510) 999-2102People also searched - 5109992102landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-07-15
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(510) 999-2103People also searched - 5109992103landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-01-26
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(510) 999-2104People also searched - 5109992104landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-10-04
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(510) 999-2105People also searched - 5109992105landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-11-07
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(510) 999-2106People also searched - 5109992106landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-12-20
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(510) 999-2107People also searched - 5109992107landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-03-06
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(510) 999-2108People also searched - 5109992108landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-06-12
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(510) 999-2109People also searched - 5109992109landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-03-02
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(510) 999-2110People also searched - 5109992110landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-02-23
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(510) 999-2111People also searched - 5109992111landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-03-04
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(510) 999-2112People also searched - 5109992112landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-05-18
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(510) 999-2113People also searched - 5109992113landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-02-29
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(510) 999-2114People also searched - 5109992114landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-11-07
Neutral
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Report : Received this msg. “Mollie been diagno... See More
(510) 999-2115People also searched - 5109992115landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-07-03
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(510) 999-2116People also searched - 5109992116landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-11-17
Neutral
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Report : Got a text stating to call 850-390-4724 ... See More
(510) 999-2117People also searched - 5109992117landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-03-14
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(510) 999-2118People also searched - 5109992118landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-08-10
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(510) 999-2119People also searched - 5109992119landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-11-14
Unknown
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Report : Picked up phone and there was silence on... See More
(510) 999-2120People also searched - 5109992120landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-10-20
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(510) 999-2121People also searched - 5109992121landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-04-09
Unknown
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Report : Case number being sued
(510) 999-2122People also searched - 5109992122landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-06-06
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(510) 999-2123People also searched - 5109992123landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-04-07
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(510) 999-2124People also searched - 5109992124landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-03-05
Unknown
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Report : Constantly calls
(510) 999-2125People also searched - 5109992125landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-12-06
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(510) 999-2126People also searched - 5109992126landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-08-27
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(510) 999-2127People also searched - 5109992127landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-03-28
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(510) 999-2128People also searched - 5109992128landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-01-23
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(510) 999-2129People also searched - 5109992129landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-05-01
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(510) 999-2130People also searched - 5109992130landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-09-05
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(510) 999-2131People also searched - 5109992131landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-01-10
Unknown
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Report : Caller ID says "TOLL FREE CALL". Left n... See More
(510) 999-2132People also searched - 5109992132landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-10-24
Unknown
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Report : hey
(510) 999-2133People also searched - 5109992133landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-06-02
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(510) 999-2134People also searched - 5109992134landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-11-09
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(510) 999-2135People also searched - 5109992135landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-12-17
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(510) 999-2136People also searched - 5109992136landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-12-20
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(510) 999-2137People also searched - 5109992137landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-06-13
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(510) 999-2138People also searched - 5109992138landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-04-29
Last Searched : 2025-01-21
Unknown
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Report : Caller ID shows "SCAM LIKELY".I pressed ... See More
(510) 999-2139People also searched - 5109992139landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-01-30
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(510) 999-2140People also searched - 5109992140landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-06-19
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(510) 999-2141People also searched - 5109992141landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-03-31
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(510) 999-2142People also searched - 5109992142landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-03-02
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(510) 999-2143People also searched - 5109992143landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-07-30
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(510) 999-2144People also searched - 5109992144landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-05-26
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(510) 999-2145People also searched - 5109992145landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-11-07
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(510) 999-2146People also searched - 5109992146landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-03-07
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(510) 999-2147People also searched - 5109992147landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-01-06
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(510) 999-2148People also searched - 5109992148landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-05-01
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(510) 999-2149People also searched - 5109992149landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2025-12-06
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(510) 999-2150People also searched - 5109992150landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-10-05
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(510) 999-2151People also searched - 5109992151landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-01-16
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(510) 999-2152People also searched - 5109992152landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-02-02
Dangerous
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Report : Unsolicited call stating that my doctor ... See More
(510) 999-2153People also searched - 5109992153landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-03-20
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(510) 999-2154People also searched - 5109992154landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-11-02
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(510) 999-2155People also searched - 5109992155landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-06-24
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(510) 999-2156People also searched - 5109992156landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-01-30
Unknown
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Report : I didn't answer. No message.
(510) 999-2157People also searched - 5109992157landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-11-24
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(510) 999-2158People also searched - 5109992158landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-09-13
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(510) 999-2159People also searched - 5109992159landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-12-30
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(510) 999-2160People also searched - 5109992160landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2022-06-16
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(510) 999-2161People also searched - 5109992161landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-01-30
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(510) 999-2162People also searched - 5109992162landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-08-29
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(510) 999-2163People also searched - 5109992163landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-03-29
Unknown
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Report : After I ran the number through both Yaho... See More
(510) 999-2164People also searched - 5109992164landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-01-30
Unknown
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Report : Hey, I'm now up to 19 calls from this nu... See More
(510) 999-2165People also searched - 5109992165landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-05-12
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(510) 999-2166People also searched - 5109992166landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-03-13
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(510) 999-2167People also searched - 5109992167landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-05-02
Neutral
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Report : Debt Collector - Account Control Technol... See More
(510) 999-2168People also searched - 5109992168landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-03-18
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(510) 999-2169People also searched - 5109992169landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-10-15
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(510) 999-2170People also searched - 5109992170landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2014-11-30
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(510) 999-2171People also searched - 5109992171landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-01-06
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(510) 999-2172People also searched - 5109992172landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-11-08
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(510) 999-2173People also searched - 5109992173landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-03-17
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(510) 999-2174People also searched - 5109992174landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-08-05
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(510) 999-2175People also searched - 5109992175landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2020-03-14
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(510) 999-2176People also searched - 5109992176landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-09-14
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(510) 999-2177People also searched - 5109992177landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2016-01-04
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(510) 999-2178People also searched - 5109992178landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2021-05-11
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(510) 999-2179People also searched - 5109992179landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-04-24
Unknown
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Report : Left no message.
(510) 999-2180People also searched - 5109992180landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-12-26
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(510) 999-2181People also searched - 5109992181landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-03-10
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(510) 999-2182People also searched - 5109992182landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-10-31
Unknown
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Report : Several calls from 866-317-1292.
(510) 999-2183People also searched - 5109992183landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-07-16
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(510) 999-2184People also searched - 5109992184landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-11-01
Unknown
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Report : Call your local FBI immediately! 681-66... See More
(510) 999-2185People also searched - 5109992185landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-03-31
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(510) 999-2186People also searched - 5109992186landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2026-03-12
Dangerous
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Report : Same as the others - they call my phone ... See More
(510) 999-2187People also searched - 5109992187landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-03-16
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(510) 999-2188People also searched - 5109992188landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2019-05-09
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(510) 999-2189People also searched - 5109992189landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2024-07-09
Unknown
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Report : They called my mobile phone.
(510) 999-2190People also searched - 5109992190landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-12-31
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(510) 999-2191People also searched - 5109992191landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2023-03-28
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(510) 999-2192People also searched - 5109992192landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2013-10-28
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(510) 999-2193People also searched - 5109992193landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2012-09-14
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(510) 999-2194People also searched - 5109992194landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-07-12
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(510) 999-2195People also searched - 5109992195landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2011-07-25
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(510) 999-2196People also searched - 5109992196landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2010-11-28
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(510) 999-2197People also searched - 5109992197landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2015-02-08
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(510) 999-2198People also searched - 5109992198landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2017-04-02
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(510) 999-2199People also searched - 5109992199landline and VOIP
Carrier : Cf Communications DBA Telekenex
Last Validated : 2018-10-25
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The 510-999-21XX 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.

510-999-2182
ReportCf Communications DBA Telekenex
510-999-2121
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510-999-2118
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510-999-2192
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510-999-2128
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510-999-2190
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510-999-2189
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510-999-2171
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510-999-2149
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510-999-2176
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510-999-2185
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510-999-2154
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510-999-2188
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510-999-2110
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510-999-2169
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510-999-2114
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510-999-2112
ReportCf Communications DBA Telekenex
510-999-2187
ReportCf Communications DBA Telekenex
510-999-2193
ReportCf Communications DBA Telekenex

Most searched numbers

Cell
All TimeThis Month
510-999-2188 First seen 2016-07-28510-999-2152 First seen 2014-05-10
510-999-2194 First seen 2017-07-04510-999-2178 First seen 2010-02-01
510-999-2157 First seen 2016-06-12510-999-2138 First seen 2022-05-24
510-999-2162 First seen 2016-04-10510-999-2170 First seen 2016-09-06
510-999-2137 First seen 2025-12-03510-999-2113 First seen 2023-09-17
Landline
All TimeThis Month
510-999-2181 First seen 2023-10-04510-999-2193 First seen 2016-08-08
510-999-2160 First seen 2010-09-18510-999-2176 First seen 2019-07-09
510-999-2165 First seen 2021-07-31510-999-2127 First seen 2010-04-04
510-999-2121 First seen 2016-04-09510-999-2139 First seen 2017-09-06
510-999-2167 First seen 2012-11-27510-999-2186 First seen 2024-11-09

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