Local Calling Guide
Area code/prefix search
NPA: 925
[Rate centres in NPA 925]
[Dial plan for NPA 925]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 925-521
| 0 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 1 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 2 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 3 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 4 |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2006-03-10 |
|
| 925-521
| 5 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 6 |
Concord |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2010-09-14 |
|
| 925-521
| 7 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-521
| 8 |
Concord |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2008-08-14 |
|
| 925-521
| 9 |
Concord |
CA |
CNCRCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-522
| A |
Antioch |
CA |
ANTCCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-522
| 0 |
Antioch |
CA |
ANTCCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-522
| 1 |
Antioch |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2005-12-09 |
|
| 925-522
| 2 |
Antioch |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2001-12-31 |
|
| 925-522
| 3 |
Antioch |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2005-06-13 |
|
| 925-522
| 4 |
Antioch |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2005-06-13 |
|
| 925-522
| 5 |
Antioch |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2005-06-13 |
|
| 925-522
| 6 |
Antioch |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2005-04-10 |
|
| 925-522
| 7 |
Antioch |
CA |
ANTCCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-522
| 8 |
Antioch |
CA |
ANTCCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-522
| 9 |
Antioch |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2006-11-05 |
|
| 925-523
| A |
Pleasanton |
CA |
PLTNCA13DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-523
| 0 |
Pleasanton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 925-523
| 1 |
Pleasanton |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2010-11-20 |
|
| 925-523
| 2 |
Pleasanton |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2022-10-10 |
|
| 925-523
| 3 |
Pleasanton |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2007-04-20 |
|
| 925-523
| 4 |
Pleasanton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 925-523
| 5 |
Pleasanton |
CA |
PLTNCA13DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-523
| 6 |
Pleasanton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 925-523
| 7 |
Pleasanton |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2013-11-10 |
|
| 925-523
| 8 |
Pleasanton |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2014-10-27 |
|
| 925-523
| 9 |
Pleasanton |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2013-12-20 |
|
| 925-524
| A |
Clayton |
CA |
CYTNCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-524
| 0 |
Clayton |
CA |
CYTNCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-524
| 1 |
Clayton |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-10-08 |
|
| 925-524
| 2 |
Clayton |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2006-10-01 |
|
| 925-524
| 3 |
Clayton |
CA |
HYWRCAMCDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
2008-07-24 |
|
| 925-524
| 4 |
Clayton |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2024-06-14 |
|
| 925-524
| 5 |
Clayton |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2025-03-26 |
|
| 925-524
| 6 |
Clayton |
CA |
HYWRCAMCDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
2012-01-12 |
|
| 925-524
| 7 |
Clayton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2009-12-18 |
|
| 925-524
| 8 |
Clayton |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-05-07 |
|
| 925-524
| 9 |
Clayton |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-05-07 |
|
| 925-525
| A |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 0 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 1 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 2 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 3 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 4 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-525
| 5 |
Livermore |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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