Local Calling Guide
Area code/prefix search
Hayward, CA
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 510-259
| 8 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2005-10-02 |
|
| 510-259
| 9 |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2010-10-25 |
|
| 510-264
| A |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 0 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 1 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 2 |
SNFCCAMKX1Y |
996H AIRESPRING, INC. |
722 |
|
2020-04-29 |
|
| 510-264
| 3 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 4 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 5 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 6 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 7 |
SNFCCAMKX9X |
073H TELNYX LLC |
722 |
|
2021-02-25 |
|
| 510-264
| 8 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-264
| 9 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| A |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 0 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 1 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 2 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 3 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 4 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2003-12-12 |
|
| 510-265
| 5 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 6 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 7 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 8 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-265
| 9 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2018-02-02 |
|
| 510-266
| A |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 0 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 1 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 2 |
SNFCCA01GT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2004-06-17 |
|
| 510-266
| 3 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 4 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2024-10-15 |
|
| 510-266
| 5 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 6 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 7 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-266
| 8 |
|
145J TERRA NOVA TELECOM INC. |
722 |
|
2021-01-07 |
|
| 510-266
| 9 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2018-11-15 |
|
| 510-274
| A |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 510-274
| 0 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2006-09-30 |
|
| 510-274
| 1 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-02-26 |
|
| 510-274
| 2 |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2011-06-27 |
|
| 510-274
| 3 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2007-04-19 |
|
| 510-274
| 4 |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2022-04-19 |
|
| 510-274
| 5 |
SNFCCA01XGX |
516C AT&T CORP. |
722 |
|
2006-07-07 |
|
| 510-274
| 6 |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2006-05-20 |
|
| 510-274
| 7 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2011-06-02 |
|
| 510-274
| 8 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2006-09-08 |
|
| 510-274
| 9 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2006-08-12 |
|
| 510-276
| A |
SNLNCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-278
| A |
SNLNCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-293
| A |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-293
| 0 |
HYWRCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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