Local Calling Guide
Area code/prefix search
NPA: 510
[Rate centres in NPA 510]
[Dial plan for NPA 510]
NXX: 221
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
510-221
| A |
Richmond |
CA |
OKLECAZVGT0 |
5562 METROPCS, INC. |
722 |
|
|
|
510-221
| 0 |
Richmond |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-10-28 |
|
510-221
| 1 |
Richmond |
CA |
OKLECAZVGT0 |
5562 METROPCS, INC. |
722 |
|
2009-10-12 |
|
510-221
| 2 |
Richmond |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
2008-11-16 |
|
510-221
| 3 |
Richmond |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-10-28 |
|
510-221
| 4 |
Richmond |
CA |
FRMTCAEDDS2 |
7262 XO CALIFORNIA, INC. |
722 |
|
2010-09-20 |
|
510-221
| 5 |
Richmond |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2009-07-02 |
|
510-221
| 6 |
Richmond |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-12-13 |
|
510-221
| 7 |
Richmond |
CA |
SNFCCA01GT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2007-04-16 |
|
510-221
| 8 |
Richmond |
CA |
SNFCCA01GT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2007-04-16 |
|
510-221
| 9 |
Richmond |
CA |
|
6529 T-MOBILE USA, INC. |
722 |
|
2009-10-12 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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