Local Calling Guide
Area code/prefix search
NPA: 831
[Rate centres in NPA 831]
[Dial plan for NPA 831]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 831-900
| 7 |
Santa Cruz |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2016-09-23 |
|
| 831-900
| 8 |
Santa Cruz |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-09-03 |
|
| 831-900
| 9 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-07-04 |
|
| 831-901
| A |
Monterey |
CA |
MTRYCAPMBMD |
700J WAVENATION, LLC |
736 |
|
|
|
| 831-901
| 0 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 1 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 2 |
Monterey |
CA |
MTRYCAPMBMD |
700J WAVENATION, LLC |
736 |
|
2025-10-05 |
|
| 831-901
| 3 |
Monterey |
CA |
SLNSCA01XHY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
736 |
|
2014-06-30 |
|
| 831-901
| 4 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 5 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 6 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 7 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 8 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-901
| 9 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| A |
Hollister |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| 0 |
Hollister |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| 1 |
Hollister |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2021-05-15 |
|
| 831-902
| 2 |
Hollister |
CA |
SLNSCA01XTX |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
736 |
|
2006-06-01 |
|
| 831-902
| 3 |
Hollister |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2021-05-15 |
|
| 831-902
| 4 |
Hollister |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2019-12-21 |
|
| 831-902
| 5 |
Hollister |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| 6 |
Hollister |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| 7 |
Hollister |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-902
| 8 |
Hollister |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2007-11-16 |
|
| 831-902
| 9 |
Hollister |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2007-09-08 |
|
| 831-905
| A |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-915
| A |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| A |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 0 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 1 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 2 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 3 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 4 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 5 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 6 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 7 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2005-04-16 |
|
| 831-917
| 8 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-917
| 9 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2003-09-21 |
|
| 831-920
| A |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
|
|
| 831-920
| 0 |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2007-06-20 |
|
| 831-920
| 1 |
Monterey |
CA |
SLNSCA01XHY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
736 |
|
2007-01-09 |
|
| 831-920
| 2 |
Monterey |
CA |
SLNSCA01XHY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
736 |
|
2007-01-09 |
|
| 831-920
| 3 |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2010-02-12 |
|
| 831-920
| 4 |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-25 |
|
| 831-920
| 5 |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2013-11-04 |
|
| 831-920
| 6 |
Monterey |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2012-01-08 |
|
| 831-920
| 7 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2006-08-16 |
|
| 831-920
| 8 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2006-08-16 |
|
| 831-920
| 9 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2015-06-12 |
|
| 831-921
| A |
Tres Pinos |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
|
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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