650 Area Code Prefixes Directory

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O1 Communications
Carrier

Coverage Area
Counties: , Santa Clara
Cities: San Mateo, Pescadero, Los Altos, Redwood City, Woodside, La Honda, Palo Alto, San Bruno, Half Moon Bay, San Jose, Pacifica

The Telephone Connection Local Services
Carrier

Coverage Area
Cities: San Mateo, Palo Alto

Tw Telecom Of California Lp
Carrier

Coverage Area
Counties: San Francisco,
Cities: San Francisco, Half Moon Bay, Pescadero, Palo Alto, San Mateo, San Carlos, Redwood City

Usa Mobility Wireless
Carrier

Coverage Area
Cities: San Bruno, San Mateo, Mountain View

Mpower Communications Corp
Carrier

Coverage Area
Counties: , San Francisco, Santa Clara
Cities: Woodside, Palo Alto, San Francisco, San Jose, Redwood City, San Mateo, San Carlos

Cellco Partnership DBA Verizon Wireless
Carrier

Coverage Area
Cities: Redwood City, Palo Alto, Mountain View, San Bruno, San Carlos, San Mateo, Millbrae

U.s. Telepacific Corp.
Carrier

Coverage Area
Counties: Santa Clara, , San Francisco
Cities: San Jose, San Bruno, San Francisco, Redwood City, Woodside, Millbrae, Half Moon Bay, La Honda, Pacifica, San Carlos, Moss Beach, Pescadero, San Mateo

Pacific Bell
Carrier

Coverage Area
Counties: , San Francisco
Cities: Mountain View, San Mateo, Palo Alto, Redwood City, San Bruno, Millbrae, Colma, Pacifica, San Carlos, San Francisco, Woodside, Los Altos, Half Moon Bay, Moss Beach, La Honda, Pescadero

Mci Worldcom Communications, Ca
Carrier

Coverage Area
Cities: Mountain View, Redwood City, San Bruno, Moss Beach, Palo Alto, Millbrae

Global Crossing Local Services-ca
Carrier

Coverage Area
Counties: , San Francisco
Cities: Mountain View, Redwood City, San Francisco, Palo Alto, San Mateo, San Carlos

American Messaging (am)
Carrier

Coverage Area
Cities: San Mateo, San Bruno, Palo Alto, Redwood City

American Messaging Services
Carrier

Coverage Area
Cities: Redwood City, Palo Alto, Mountain View, San Mateo, San Carlos

Xo California
Carrier

Coverage Area
Counties: , Alameda
Cities: San Mateo, San Bruno, Fremont, Millbrae, San Carlos, Pescadero, Woodside, Redwood City

Brooks Fiber Communications Of California
Carrier

Coverage Area
Cities: San Mateo, Redwood City, San Bruno, San Carlos, Sunnyvale

Pac - West Telecomm
Carrier

Coverage Area
Cities: Millbrae, San Mateo, Redwood City, Half Moon Bay, Woodside, San Bruno, Pescadero, San Carlos, Palo Alto, Los Altos, Moss Beach, Pacifica, La Honda, Mountain View

Level 3 Communications
Carrier

Coverage Area
Counties: , San Francisco
Cities: Redwood City, San Mateo, Pescadero, San Francisco, Palo Alto, La Honda, San Carlos, San Bruno

Peerless Network Of California
Carrier

Coverage Area
Cities: Palo Alto

Teleport Communications Group - San Francisco
Carrier

Coverage Area
Counties: , Santa Clara, San Francisco
Cities: Palo Alto, Mountain View, San Jose, Redwood City, San Francisco, Woodside, San Mateo, Moss Beach, Half Moon Bay, La Honda, San Carlos, Pescadero

AT&T; Local
Carrier

Coverage Area
Counties: , San Francisco
Cities: Redwood City, San Carlos, Mountain View, San Francisco, Palo Alto, San Mateo

Metro PCS
Carrier

Coverage Area
Counties: San Francisco,
Cities: San Francisco, Pacifica, Los Altos, Palo Alto, Mountain View, Redwood City, San Bruno, San Mateo

Astound Broadband
Carrier

Coverage Area
Counties: , San Francisco
Cities: San Bruno, Mountain View, San Mateo, Redwood City, San Francisco

33 Wireless Inc.
Carrier

Coverage Area
Cities: Redwood City

T-mobile Usa
Carrier

Coverage Area
Counties: , San Francisco
Cities: San Mateo, Palo Alto, Los Altos, Millbrae, Mountain View, Half Moon Bay, San Francisco

Bandwidth.com Clec
Carrier

Coverage Area
Cities: Palo Alto, San Mateo

Broadwing Communications
Carrier

Coverage Area
Cities: San Mateo, Palo Alto, Los Altos, San Bruno, San Carlos, Redwood City, Mountain View, Pescadero, Half Moon Bay

Cf Communications DBA Telekenex
Carrier

Coverage Area
Cities: Palo Alto

Allegiance Telecom
Carrier

Coverage Area
Counties: , San Francisco
Cities: Sunnyvale, Redwood City, San Mateo, San Carlos, Palo Alto, San Francisco, Los Altos, Mountain View, Half Moon Bay, Moss Beach, La Honda, Woodside, Pescadero

Mcimetro Access Transmission Services LLC
Carrier

Coverage Area
Counties: , San Francisco
Cities: Palo Alto, San Mateo, Mountain View, Redwood City, San Carlos, San Francisco, Half Moon Bay, La Honda, Los Altos

North County Communications Corp.
Carrier

Coverage Area
Cities: Mountain View

Utility Telephone
Carrier

Coverage Area
Cities: San Carlos, S San Fran

Sbc Internet Services
Carrier

Coverage Area
Cities: La Honda

The 650 area code is located in San Jose, California including San Mateo, San Bruno and was originally put into service on October 11th 1997. Find whose number this is.

Recently Reported Numbers

(650) 763-0551Unknown

claims to be from google ads. Very persistent. Tries to get info for our log-in. Indian accent.

(650) 822-1128Unknown

Smoker-voiced active scammer using spoofed numbers to troll for dumb suckers.

(650) 763-0551Safe

Yet

(650) 763-0551Unknown

This man with a heavy Indian accent named Sudhandhu Mishra or msudhanshu@google.com emailed the business email on our google account saying he can help with optimizing our Google Ads. He tried to repeatedly call and ask for our last 5 digits on the account AND to screen share. He was rude, fake, and persistent with email, cell, and business phone.DO NOT PICK UP. DO NOT ANSWER.

(650) 763-0551Dangerous

CALLS EVERY DAY!!!!

(650) 350-3000Dangerous

S****d Redundant Work Related Announcement

(650) 379-4581Unknown

No message

(650) 239-4261Dangerous

Student loans scam

(650) 560-7687Unknown

Doordash calling about my order

(650) 263-7152Unknown

partial message asserting that "as a member your account will be charged $236. Press one if yo want to decline." No name of company or what I'm a member of.

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.

650-981-4627
Report
UNKNOWN
650-299-1626
Report
Pacific Bell
650-356-3705
Report
Pacific Bell
650-777-8503
Report
Pacific Bell
650-450-7087
Report
New Cingular Wireless PCS
650-778-9314
Report
UNKNOWN
650-113-7946
Report
UNKNOWN
650-887-2444
Report
Pac - West Telecomm
650-653-7093
Report
Mci Worldcom Communications, Ca
650-934-4633
Report
Pacific Bell
650-231-4710
Report
Xo California
650-940-3925
Report
Pacific Bell
650-446-9076
Report
O1 Communications
650-571-7346
Report
Pacific Bell
650-144-1313
Report
UNKNOWN
650-181-5919
Report
UNKNOWN
650-190-6207
Report
UNKNOWN
650-116-8706
Report
UNKNOWN
650-736-7457
Report
Level 3 Communications

Most searched numbers

Cell
All TimeThis Month
650-292-7118First seen 2011-08-10650-303-1347First seen 2013-08-12
650-832-5771First seen 2012-02-15650-610-3072First seen 2019-03-19
650-619-2986First seen 2011-08-09650-341-1121First seen 2012-11-01
650-426-4045First seen 2018-06-10650-148-2273First seen 2010-02-22
650-198-3576First seen 2010-10-15650-540-8896First seen 2016-05-11
Landline
All TimeThis Month
650-897-6051First seen 2019-04-26650-365-8466First seen 2019-12-06
650-672-7523First seen 2019-01-22650-892-5078First seen 2013-06-25
650-301-1649First seen 2016-06-05650-946-1017First seen 2013-11-26
650-609-2558First seen 2017-08-01650-727-5277First seen 2018-05-14
650-107-4675First seen 2018-05-23650-251-6136First seen 2019-07-30

Cities With coverage

CITY LIST
Brisbane
Colma
Fremont
Half Moon Bay
La Honda
Los Altos
Millbrae
Moss Beach
Mountain View
Pacifica
Palo Alto
Pescadero
Redwood City
S San Fran
San Bruno
San Carlos
San Francisco
San Jose
San Mateo
Sunnyvale
Woodside