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 |
| 925-508
| 1 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2024-02-22 |
|
| 925-508
| 2 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2024-02-22 |
|
| 925-508
| 3 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-06-04 |
|
| 925-508
| 4 |
East Contra Costa |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2025-02-03 |
|
| 925-508
| 5 |
East Contra Costa |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2025-02-23 |
|
| 925-508
| 6 |
East Contra Costa |
CA |
OKLDCA03XKY |
624H ONVOY SPECTRUM, LLC |
722 |
|
2025-05-16 |
|
| 925-508
| 7 |
East Contra Costa |
CA |
OKLDCA03XKY |
624H ONVOY SPECTRUM, LLC |
722 |
|
2025-05-16 |
|
| 925-508
| 8 |
East Contra Costa |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2024-01-01 |
|
| 925-508
| 9 |
East Contra Costa |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2023-07-16 |
|
| 925-509
| A |
Bishop Ranch |
CA |
SNFCCA21XEZ |
6630 SPOK, INC. |
722 |
|
|
|
| 925-510
| A |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 925-510
| 0 |
Concord |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-08-18 |
|
| 925-510
| 1 |
Concord |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-09-11 |
|
| 925-510
| 2 |
Concord |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2018-06-29 |
|
| 925-510
| 3 |
Concord |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-10-16 |
|
| 925-510
| 4 |
Concord |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-11-12 |
|
| 925-510
| 5 |
Concord |
CA |
FRMTCAJYDS0 |
707H INTEGRATED PATH COMMUNICATIONS, LLC - CA |
722 |
|
2018-07-13 |
|
| 925-510
| 6 |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2018-05-07 |
|
| 925-510
| 7 |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2018-05-07 |
|
| 925-510
| 8 |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2018-05-07 |
|
| 925-510
| 9 |
Concord |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2018-05-07 |
|
| 925-512
| A |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-512
| 0 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 1 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 2 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 3 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 4 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2026-04-11 |
|
| 925-512
| 5 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 6 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2026-07-20 |
|
| 925-512
| 7 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2026-06-14 |
|
| 925-512
| 8 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-512
| 9 |
Walnut Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-11-01 |
|
| 925-513
| A |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 0 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 1 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 2 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 3 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 4 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 5 |
East Contra Costa |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2011-09-26 |
|
| 925-513
| 6 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 7 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 8 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-513
| 9 |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-514
| A |
Martinez |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 925-514
| 0 |
Martinez |
CA |
OKLDCA03XKY |
624H ONVOY SPECTRUM, LLC |
722 |
|
2023-12-16 |
|
| 925-514
| 1 |
Martinez |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2024-01-28 |
|
| 925-514
| 2 |
Martinez |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2024-01-28 |
|
| 925-514
| 3 |
Martinez |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2025-11-07 |
|
| 925-514
| 4 |
Martinez |
CA |
SNFCCA21XOZ |
321J HD CARRIER LLC |
722 |
|
2026-05-25 |
|
| 925-514
| 5 |
Martinez |
CA |
SNFCCA21XOZ |
321J HD CARRIER LLC |
722 |
|
2026-05-25 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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