Area code 650 is assigned for use in California since Aug 02, 1997. This area code originated from the 415 area code previously by means of area code split or overlay. View all phone prefixes used in area code 650 or other area codes in California. Included with the location of each prefix are the phone companies / service providers that operates them.
| Area code / prefix | Location | Company / Service Provider |
|---|---|---|
| 650-200 | SAN MATEO, CA | TWILIO INTERNATIONAL, INC. |
| 650-201 | SOUTH SAN FRANCISCO, CA | T-MOBILE USA, INC. |
| 650-202 | SAN MATEO, CA | UTILITY TELECOM GROUP, LLC - CA |
| 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 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 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. DBA TPX COMMUNICATIONS |
| 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 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - 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 | T-MOBILE USA, INC. |
| 650-219 | SOUTH SAN FRANCISCO, CA | T-MOBILE USA, INC. |
| 650-220 | Mountain View, CA | T-MOBILE USA, INC. |
| 650-222 | SAN MATEO, CA | T-MOBILE USA, INC. |
| 650-223 | PALO ALTO, CA | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 650-224 | Mountain View, CA | NEW CINGULAR WIRELESS PCS, LLC |
| 650-225 | SOUTH SAN FRANCISCO, CA | PACIFIC BELL |
| 650-226 | San Carlos, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
| 650-227 | SAN MATEO, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-228 | SOUTH SAN FRANCISCO, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-229 | LOS ALTOS, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-230 | Mountain View, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-231 | MILLBRAE, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-232 | San Carlos, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-233 | PALO ALTO, CA | PACIFIC BELL |
| 650-234 | PALO ALTO, CA | PACIFIC BELL |
| 650-235 | SAN MATEO, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 650-236 | PALO ALTO, CA | PACIFIC BELL |
| 650-237 | Mountain View, CA | PACIFIC BELL |
| 650-238 | SOUTH SAN FRANCISCO, CA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
| 650-239 | MILLBRAE, CA | ONVOY, LLC - CA |
| 650-240 | SAN MATEO, CA | ONVOY, LLC - 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. DBA TPX COMMUNICATIONS |
| 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 | WOODSIDE, CA | COMMIO, LLC |
| 650-248 | PALO ALTO, CA | T-MOBILE USA, INC. |
| 650-249 | Redwood City, CA | ONVOY, LLC - CA |
| 650-250 | PALO ALTO, CA | T-MOBILE USA, INC. |
| 650-251 | PALO ALTO, CA | PACIFIC BELL |
| 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: | 08/02/97 | |
| 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): | 556 544 421 206 193 129 071 022 | |
| Overlay code: | No | |
| Overlay complex: | ||
| Dialing plan | Standard | Permissive |
| Home local calls: | 1+10D | NA |
| Foreign local calls: | 1+10D | NA |
| Home toll calls: | 1+10D | NA |
| Foreign toll calls: | 1+10D | - |