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 |
| 510-253
| 4 |
|
5562 METROPCS, INC. |
722 |
|
2008-11-24 |
|
| 510-253
| 5 |
|
5562 METROPCS, INC. |
722 |
|
2003-02-08 |
|
| 510-253
| 6 |
|
5562 METROPCS, INC. |
722 |
|
2003-02-08 |
|
| 510-253
| 7 |
|
5562 METROPCS, INC. |
722 |
|
2003-02-08 |
|
| 510-253
| 8 |
|
5562 METROPCS, INC. |
722 |
|
2003-02-08 |
|
| 510-253
| 9 |
|
5562 METROPCS, INC. |
722 |
|
2003-02-08 |
|
| 510-255
| A |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
|
|
| 510-255
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-06-27 |
|
| 510-255
| 1 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-06-27 |
|
| 510-255
| 2 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-06-27 |
|
| 510-255
| 3 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-06-27 |
|
| 510-255
| 4 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-08-28 |
|
| 510-255
| 5 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-08-28 |
|
| 510-255
| 6 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-08-28 |
|
| 510-255
| 7 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2011-10-03 |
|
| 510-255
| 8 |
|
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2012-09-14 |
|
| 510-255
| 9 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2012-01-05 |
|
| 510-260
| A |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 510-260
| 0 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 510-260
| 1 |
|
5562 METROPCS, INC. |
722 |
|
2008-12-07 |
|
| 510-260
| 2 |
|
515J IP HORIZON LLC |
722 |
|
2002-10-12 |
|
| 510-260
| 3 |
|
5562 METROPCS, INC. |
722 |
|
2011-07-11 |
|
| 510-260
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-08-11 |
|
| 510-260
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-08-11 |
|
| 510-260
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-08-11 |
|
| 510-260
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-08-11 |
|
| 510-260
| 8 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
2003-12-01 |
|
| 510-260
| 9 |
|
5562 METROPCS, INC. |
722 |
|
2006-08-20 |
|
| 510-307
| A |
RCMDCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 0 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 1 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 2 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 3 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 4 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 5 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2010-02-13 |
|
| 510-307
| 6 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2005-12-30 |
|
| 510-307
| 7 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 8 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-307
| 9 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 510-323
| A |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 510-323
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 510-323
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 510-323
| 2 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2005-01-26 |
|
| 510-323
| 3 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2005-10-07 |
|
| 510-323
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2004-10-19 |
|
| 510-323
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-01-24 |
|
| 510-323
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-01-24 |
|
| 510-323
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2005-06-03 |
|
| 510-323
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2005-06-03 |
|
| 510-323
| 9 |
|
649C ONVOY, LLC - CA |
722 |
|
2005-06-03 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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