Local Calling Guide
Area code/prefix search
Richmond, CA
<< 1 2 3 4 5 6 7 8 9 10 11 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 510-334
| A |
SNFCCA01GT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 510-349
| A |
SNFCCA21XUY |
9748 AMERICAN MESSAGING SERVICES, LLC |
722 |
|
|
|
| 510-367
| A |
SNFCCA01GT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 510-369
| A |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 510-369
| 0 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-04 |
|
| 510-369
| 1 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-04 |
|
| 510-369
| 2 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-05 |
|
| 510-369
| 3 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-05 |
|
| 510-369
| 4 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 510-369
| 5 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 510-369
| 6 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-05-05 |
|
| 510-369
| 7 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-05-05 |
|
| 510-369
| 8 |
|
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2016-04-18 |
|
| 510-369
| 9 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2016-04-05 |
|
| 510-374
| A |
RCMDCA11RS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-374
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-07-06 |
|
| 510-374
| 1 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-374
| 2 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2006-06-05 |
|
| 510-374
| 3 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-374
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2006-07-14 |
|
| 510-374
| 5 |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2006-05-15 |
|
| 510-374
| 6 |
|
516C AT&T CORP. |
722 |
|
2006-06-30 |
|
| 510-374
| 7 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-374
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-07-21 |
|
| 510-374
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-07-06 |
|
| 510-375
| A |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 0 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 1 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 2 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 3 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 4 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 5 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 6 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2005-06-24 |
|
| 510-375
| 7 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 8 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-375
| 9 |
|
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 510-412
| A |
RCMDCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-426
| A |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
|
|
| 510-426
| 0 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2014-05-11 |
|
| 510-426
| 1 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2014-05-26 |
|
| 510-426
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2014-05-24 |
|
| 510-426
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2014-07-31 |
|
| 510-426
| 4 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2014-07-31 |
|
| 510-426
| 5 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-09-01 |
|
| 510-426
| 6 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-09-01 |
|
| 510-426
| 7 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-09-01 |
|
| 510-426
| 8 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-09-01 |
|
| 510-426
| 9 |
|
649C ONVOY, LLC - CA |
722 |
|
2016-02-01 |
|
| 510-439
| A |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 510-439
| 0 |
|
649C ONVOY, LLC - CA |
722 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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