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 |
| 925-627
| 1 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 2 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 3 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 4 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 5 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 6 |
Walnut Creek |
CA |
OKLDCA03XKY |
624H ONVOY SPECTRUM, LLC |
722 |
|
2025-05-16 |
|
| 925-627
| 7 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-627
| 8 |
Walnut Creek |
CA |
HYWRCAMCDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
2011-01-31 |
|
| 925-627
| 9 |
Walnut Creek |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-628
| A |
Antioch |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
|
|
| 925-631
| A |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 0 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 1 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 2 |
Moraga |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-10-29 |
|
| 925-631
| 3 |
Moraga |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-10-29 |
|
| 925-631
| 4 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 5 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 6 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 7 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 8 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-631
| 9 |
Moraga |
CA |
MORGCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-633
| A |
Concord |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
|
|
| 925-633
| 0 |
Concord |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2021-10-14 |
|
| 925-633
| 1 |
Concord |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2021-10-14 |
|
| 925-633
| 2 |
Concord |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2021-10-14 |
|
| 925-633
| 3 |
Concord |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
2021-10-07 |
|
| 925-633
| 4 |
Concord |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2021-10-08 |
|
| 925-633
| 5 |
Concord |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2021-10-08 |
|
| 925-633
| 6 |
Concord |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2021-10-08 |
|
| 925-633
| 7 |
Concord |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2021-10-08 |
|
| 925-633
| 8 |
Concord |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2021-10-14 |
|
| 925-633
| 9 |
Concord |
CA |
SNJUCACL4MD |
939H COMMIO, LLC |
722 |
|
2021-10-14 |
|
| 925-634
| A |
East Contra Costa |
CA |
BRWDCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 925-635
| A |
Pittsburg |
CA |
OKLDCA03DS5 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 925-635
| 0 |
Pittsburg |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 925-635
| 1 |
Pittsburg |
CA |
|
515J IP HORIZON LLC |
722 |
|
2003-10-13 |
|
| 925-635
| 2 |
Pittsburg |
CA |
|
515J IP HORIZON LLC |
722 |
|
2003-10-13 |
|
| 925-635
| 3 |
Pittsburg |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2013-10-21 |
|
| 925-635
| 4 |
Pittsburg |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-12-10 |
|
| 925-635
| 5 |
Pittsburg |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2013-12-01 |
|
| 925-635
| 6 |
Pittsburg |
CA |
SNRTCAHFDS0 |
433E SONIC TELECOM, LLC - CA |
722 |
|
2015-04-09 |
|
| 925-635
| 7 |
Pittsburg |
CA |
SNVACAHZ0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
722 |
|
2014-04-09 |
|
| 925-635
| 8 |
Pittsburg |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2015-06-13 |
|
| 925-635
| 9 |
Pittsburg |
CA |
OKLDCA03DS5 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 925-638
| A |
Martinez |
CA |
SNRSCA01KMD |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2026-07-06 |
|
| 925-638
| 0 |
Martinez |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2026-07-07 |
|
| 925-638
| 1 |
Martinez |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-09-20 |
|
| 925-638
| 2 |
Martinez |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2026-09-20 |
|
| 925-638
| 5 |
Martinez |
CA |
|
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2026-10-19 |
|
| 925-638
| 6 |
Martinez |
CA |
SNRSCA01KMD |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2026-07-06 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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