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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 925-663
| 5 |
Sunol |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2015-10-23 |
|
| 925-663
| 6 |
Sunol |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2009-03-20 |
|
| 925-663
| 7 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2006-01-09 |
|
| 925-663
| 8 |
Sunol |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-663
| 9 |
Sunol |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2015-03-13 |
|
| 925-664
| A |
Pittsburg West |
CA |
OKLDCAAN5MD |
7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA |
722 |
|
|
|
| 925-664
| 0 |
Pittsburg West |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-664
| 1 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-08-18 |
|
| 925-664
| 2 |
Pittsburg West |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-11-26 |
|
| 925-664
| 3 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-08-18 |
|
| 925-664
| 4 |
Pittsburg West |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-07-24 |
|
| 925-664
| 5 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-04-19 |
|
| 925-664
| 6 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-01-27 |
|
| 925-664
| 7 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-04-17 |
|
| 925-664
| 8 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-04-17 |
|
| 925-664
| 9 |
Pittsburg West |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2014-07-21 |
|
| 925-665
| A |
Pittsburg |
CA |
OKLDCAAN5MD |
7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA |
722 |
|
|
|
| 925-665
| 0 |
Pittsburg |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
|
|
| 925-665
| 1 |
Pittsburg |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-665
| 2 |
Pittsburg |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2025-03-23 |
|
| 925-665
| 3 |
Pittsburg |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
|
|
| 925-665
| 4 |
Pittsburg |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2014-04-13 |
|
| 925-665
| 5 |
Pittsburg |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-04-23 |
|
| 925-665
| 6 |
Pittsburg |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2015-10-09 |
|
| 925-665
| 7 |
Pittsburg |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2006-01-09 |
|
| 925-665
| 8 |
Pittsburg |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2013-03-29 |
|
| 925-665
| 9 |
Pittsburg |
CA |
CNCRCADOCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2013-07-18 |
|
| 925-666
| A |
East Contra Costa |
CA |
OKLDCAAN5MD |
7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA |
722 |
|
|
|
| 925-666
| 0 |
East Contra Costa |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 925-666
| 1 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-666
| 2 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-666
| 3 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 925-666
| 4 |
East Contra Costa |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2025-08-29 |
|
| 925-666
| 5 |
East Contra Costa |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2020-07-19 |
|
| 925-666
| 6 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2010-10-03 |
|
| 925-666
| 7 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2006-01-08 |
|
| 925-666
| 8 |
East Contra Costa |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
2014-04-11 |
|
| 925-666
| 9 |
East Contra Costa |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2014-12-12 |
|
| 925-667
| A |
Livermore |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-667
| 0 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2012-05-03 |
|
| 925-667
| 1 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2009-11-03 |
|
| 925-667
| 2 |
Livermore |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 925-667
| 3 |
Livermore |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2007-09-07 |
|
| 925-667
| 4 |
Livermore |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
2015-08-11 |
|
| 925-667
| 5 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2007-12-03 |
|
| 925-667
| 6 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2007-07-23 |
|
| 925-667
| 7 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2007-01-08 |
|
| 925-667
| 8 |
Livermore |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2010-07-03 |
|
| 925-667
| 9 |
Livermore |
CA |
SNFCCA01XGX |
516C AT&T CORP. |
722 |
|
2015-05-16 |
|
| 925-671
| A |
Concord |
CA |
CNCRCA01DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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