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 |
| 510-330
| 2 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-02-26 |
|
| 510-330
| 3 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2016-04-01 |
|
| 510-330
| 4 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 510-330
| 5 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 510-330
| 6 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2016-07-21 |
|
| 510-330
| 7 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-03-16 |
|
| 510-330
| 8 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-03-16 |
|
| 510-330
| 9 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-03-16 |
|
| 510-331
| A |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 510-340
| A |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
|
|
| 510-340
| 0 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-06-18 |
|
| 510-340
| 1 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-06-18 |
|
| 510-340
| 2 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-08-24 |
|
| 510-340
| 3 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-08-24 |
|
| 510-340
| 4 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-08-24 |
|
| 510-340
| 5 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-08-24 |
|
| 510-340
| 6 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-07-22 |
|
| 510-340
| 7 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-08-24 |
|
| 510-340
| 8 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-08-22 |
|
| 510-340
| 9 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2013-06-07 |
|
| 510-342
| A |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 510-342
| 0 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2025-07-17 |
|
| 510-342
| 1 |
SNFCCA01DS5 |
7421 AT&T - LOCAL |
722 |
|
2010-01-20 |
|
| 510-342
| 2 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2011-07-18 |
|
| 510-342
| 3 |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2009-11-02 |
|
| 510-342
| 4 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2011-07-18 |
|
| 510-342
| 5 |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2004-07-14 |
|
| 510-342
| 6 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2006-08-07 |
|
| 510-342
| 7 |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 510-342
| 8 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2011-04-28 |
|
| 510-342
| 9 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-02-26 |
|
| 510-359
| A |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
|
|
| 510-359
| 0 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-10-12 |
|
| 510-359
| 1 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2012-10-29 |
|
| 510-359
| 2 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2012-10-29 |
|
| 510-359
| 3 |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2012-10-29 |
|
| 510-359
| 4 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2013-06-07 |
|
| 510-359
| 5 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2013-07-04 |
|
| 510-359
| 6 |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2013-11-29 |
|
| 510-359
| 7 |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-10-10 |
|
| 510-359
| 8 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2013-11-04 |
|
| 510-359
| 9 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2012-11-05 |
|
| 510-361
| A |
OKLDCAEBDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
722 |
|
|
|
| 510-361
| 0 |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-02-16 |
|
| 510-361
| 1 |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2017-08-29 |
|
| 510-361
| 2 |
|
829J PAETEC ITEL, LLC |
722 |
|
2015-01-08 |
|
| 510-361
| 3 |
OKLDCA03DS5 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2015-06-01 |
|
| 510-361
| 4 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2015-09-20 |
|
| 510-361
| 5 |
OKLDCAEBDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
722 |
|
2014-12-11 |
|
| 510-361
| 6 |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2015-09-20 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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