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 |
| 925-832
| 4 |
East Contra Costa |
CA |
SNJUCACL9MD |
516J TON80 COMMUNICATIONS, LLC |
722 |
|
2022-04-02 |
|
| 925-832
| 5 |
East Contra Costa |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2022-08-06 |
|
| 925-832
| 6 |
East Contra Costa |
CA |
SNJUCACL00Z |
490J BOOST SUBSCRIBERCO L.L.C. |
722 |
|
2023-02-16 |
|
| 925-832
| 7 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2022-11-14 |
|
| 925-832
| 8 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2022-11-14 |
|
| 925-832
| 9 |
East Contra Costa |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2022-04-10 |
|
| 925-833
| A |
Dublin-San Ramon |
CA |
SNRMCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-834
| A |
Antioch |
CA |
SNJUCACL9MD |
516J TON80 COMMUNICATIONS, LLC |
722 |
|
|
|
| 925-834
| 0 |
Antioch |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-12-10 |
|
| 925-834
| 1 |
Antioch |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-21 |
|
| 925-834
| 2 |
Antioch |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-21 |
|
| 925-834
| 3 |
Antioch |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-21 |
|
| 925-834
| 4 |
Antioch |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-21 |
|
| 925-834
| 5 |
Antioch |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-21 |
|
| 925-834
| 6 |
Antioch |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-12-10 |
|
| 925-834
| 7 |
Antioch |
CA |
SNJUCACL9MD |
516J TON80 COMMUNICATIONS, LLC |
722 |
|
2021-11-20 |
|
| 925-834
| 8 |
Antioch |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-12-10 |
|
| 925-834
| 9 |
Antioch |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-12-10 |
|
| 925-835
| A |
Sunol |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-835
| 0 |
Sunol |
CA |
|
515J IP HORIZON LLC |
722 |
|
2016-09-15 |
|
| 925-835
| 1 |
Sunol |
CA |
|
145J TERRA NOVA TELECOM INC. |
722 |
|
2024-05-10 |
|
| 925-835
| 2 |
Sunol |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2013-03-29 |
|
| 925-835
| 3 |
Sunol |
CA |
FRMTCAJYDS0 |
707H INTEGRATED PATH COMMUNICATIONS, LLC - CA |
722 |
|
2018-07-18 |
|
| 925-835
| 4 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-18 |
|
| 925-835
| 5 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-18 |
|
| 925-835
| 6 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-18 |
|
| 925-835
| 7 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2006-09-01 |
|
| 925-835
| 8 |
Sunol |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-08 |
|
| 925-835
| 9 |
Sunol |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-837
| A |
Danville |
CA |
DAVLCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-838
| A |
Danville |
CA |
DAVLCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-839
| A |
Martinez |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-839
| 0 |
Martinez |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-04-18 |
|
| 925-839
| 1 |
Martinez |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2025-10-26 |
|
| 925-839
| 2 |
Martinez |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-839
| 3 |
Martinez |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-04-19 |
|
| 925-839
| 4 |
Martinez |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2019-03-22 |
|
| 925-839
| 5 |
Martinez |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2019-03-22 |
|
| 925-839
| 6 |
Martinez |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2020-09-18 |
|
| 925-839
| 7 |
Martinez |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2019-03-18 |
|
| 925-839
| 8 |
Martinez |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2026-02-20 |
|
| 925-839
| 9 |
Martinez |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-840
| A |
Antioch |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-09-20 |
|
| 925-840
| 0 |
Antioch |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-09-20 |
|
| 925-840
| 1 |
Antioch |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-09-20 |
|
| 925-840
| 2 |
Antioch |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2026-09-25 |
|
| 925-840
| 4 |
Antioch |
CA |
|
073H TELNYX LLC |
722 |
|
2026-09-27 |
|
| 925-840
| 6 |
Antioch |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2026-11-08 |
|
| 925-840
| 7 |
Antioch |
CA |
|
114J EXIANT COMMUNICATIONS LLC |
722 |
|
2026-09-21 |
|
| 925-840
| 8 |
Antioch |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2026-09-21 |
|
<< 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 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.