Local Calling Guide
Area code/prefix search
NPA: 510
[Rate centres in NPA 510]
[Dial plan for NPA 510]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 510-780
| 3 |
Hayward |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2008-08-16 |
|
| 510-780
| 4 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-780
| 5 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-780
| 6 |
Hayward |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2007-02-09 |
|
| 510-780
| 7 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-780
| 8 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-780
| 9 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 0 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 1 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 2 |
Hayward |
CA |
SNJUCACL2MD |
197D VONAGE AMERICA LLC |
722 |
|
2019-12-06 |
|
| 510-781
| 3 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 4 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 5 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 6 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 7 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 8 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-781
| 9 |
Hayward |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2020-02-14 |
|
| 510-782
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-783
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-784
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-785
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| A |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 0 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 1 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 2 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 3 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 4 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 5 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 6 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-786
| 7 |
Hayward |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-01-10 |
|
| 510-786
| 8 |
Hayward |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-01-10 |
|
| 510-786
| 9 |
Hayward |
CA |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| A |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 0 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 1 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 2 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 3 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 4 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 5 |
Crockett |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2008-06-06 |
|
| 510-787
| 6 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 7 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-787
| 8 |
Crockett |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2014-12-13 |
|
| 510-787
| 9 |
Crockett |
CA |
CRCTCA02RS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-788
| A |
Oakland: Main-Piedmont DA |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 510-788
| 0 |
Oakland: Main-Piedmont DA |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-02-26 |
|
| 510-788
| 1 |
Oakland: Main-Piedmont DA |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2021-08-23 |
|
| 510-788
| 2 |
Oakland: Main-Piedmont DA |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2010-11-20 |
|
| 510-788
| 3 |
Oakland: Main-Piedmont DA |
CA |
|
829J PAETEC ITEL, LLC |
722 |
|
2009-07-06 |
|
| 510-788
| 4 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
2009-05-08 |
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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