| Area Code: | 669 |
| Prefix: | 231-#### |
| Line Type: | Landline |
| City: | San Jose |
| County: | Santa Clara |
| State: | California |
| Country: | USA |
| Area Code: | 669 |
| Prefix: | 231-#### |
| Line Type: | Landline |
| City: | San Jose |
| County: | Santa Clara |
| State: | California |
| Country: | USA |
| Number Range | Provider |
|---|---|
| (669) 231-0### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-1### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-2### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-3### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-4### | COMCAST PHONE OF CALIFORNIA, LLC - CA |
| (669) 231-5### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-6### | LEVEL 3 COMMUNICATIONS, LLC - CA |
| (669) 231-7### | TELEPORT COMMUNICATIONS GROUP - SAN FRAN |
| (669) 231-8### | U.S. TELEPACIFIC CORP. - CA |
| (669) 231-9### | T-MOBILE USA, INC. |
