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(650)
Enter 7-digit phone number for area code 650 or the complete 10-digit phone number

Phone Prefixes for Area Code 650

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Area code location Company / Service Provider
650-200 SAN MATEO, CA O1 COMMUNICATIONS, INC. - CA
650-201 SOUTH SAN FRANCISCO, CA SPRINT SPECTRUM L.P.
650-202 SAN MATEO, CA THE TELEPHONE CONNECTION LOCAL SERVICES, LLC
650-203 Mountain View, CA BANDWIDTH.COM CLEC, LLC - CA
650-204 MILLBRAE, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
650-205 SOUTH SAN FRANCISCO, CA USA MOBILITY WIRELESS, INC.
650-206 WOODSIDE, CA MPOWER COMMUNICATIONS CORP - CA
650-207 Redwood City, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-208 Redwood City, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-209 LOS ALTOS, CA U.S. TELEPACIFIC CORP. - CA
650-210 Mountain View, CA PACIFIC BELL
650-212 SAN MATEO, CA PACIFIC BELL
650-213 PALO ALTO, CA PACIFIC BELL
650-214 Mountain View, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
650-215 Mountain View, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
650-216 Redwood City, CA PACIFIC BELL
650-217 SAN MATEO, CA USA MOBILITY WIRELESS, INC.
650-218 SAN MATEO, CA SPRINT SPECTRUM L.P.
650-219 SOUTH SAN FRANCISCO, CA SPRINT SPECTRUM L.P.
650-220 SAN MATEO, CA AMERICAN MESSAGING SERVICES, LLC
650-221 Redwood City, CA AMERICAN MESSAGING SERVICES, LLC
650-222 SAN MATEO, CA SPRINT SPECTRUM L.P.
650-223 PALO ALTO, CA MPOWER COMMUNICATIONS CORP - CA
650-224 Mountain View, CA NEW CINGULAR WIRELESS PCS, LLC
650-225 SOUTH SAN FRANCISCO, CA PACIFIC BELL
650-226 San Carlos, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
650-227 SAN MATEO, CA XO CALIFORNIA, INC.
650-228 SOUTH SAN FRANCISCO, CA XO CALIFORNIA, INC.
650-229 LOS ALTOS, CA XO CALIFORNIA, INC.
650-230 Mountain View, CA XO CALIFORNIA, INC.
650-231 MILLBRAE, CA XO CALIFORNIA, INC.
650-232 San Carlos, CA XO CALIFORNIA, INC.
650-233 PALO ALTO, CA PACIFIC BELL
650-234 PALO ALTO, CA PACIFIC BELL
650-235 SAN MATEO, CA BROOKS FIBER COMMUNICATIONS OF CALIFORNIA - CA
650-236 PALO ALTO, CA PACIFIC BELL
650-237 Mountain View, CA PACIFIC BELL
650-238 SOUTH SAN FRANCISCO, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
650-239 MILLBRAE, CA TNCI-OP-CO - CA
650-240 SAN MATEO, CA TNCI-OP-CO - CA
650-241 Redwood City, CA LEVEL 3 COMMUNICATIONS, LLC - CA
650-242 SAN MATEO, CA LEVEL 3 COMMUNICATIONS, LLC - CA
650-243 SOUTH SAN FRANCISCO, CA U.S. TELEPACIFIC CORP. - CA
650-244 SOUTH SAN FRANCISCO, CA PACIFIC BELL
650-245 SAN MATEO, CA NEW CINGULAR WIRELESS PCS, LLC
650-246 SOUTH SAN FRANCISCO, CA PACIFIC BELL
650-247 PALO ALTO, CA AMERICAN MESSAGING SERVICES, LLC
650-248 PALO ALTO, CA SPRINT SPECTRUM L.P.
650-249 Redwood City, CA TNCI-OP-CO - CA
650-250 PALO ALTO, CA T-MOBILE USA, INC.
New numbers being added to 650 area code
Effective: 07/13/2017
650-309 in HALF MOON BAY, CA
T-MOBILE USA, INC.
Effective: 08/18/2017
650-885 in PALO ALTO, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
650 Area Code Information
Type of code: General Purpose Code
location: CA - US
Time zone: P
Assigned for use: Yes
Code in service: Yes
Service date: August 02, 1997
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 421 206 193 129 071 022
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 1+10D
Foreign local calls: 1+10D NA
Home toll calls: 7D 1+10D
Foreign toll calls: 1+10D -

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