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 |
| 831-582
| 4 |
Monterey |
CA |
MARNCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-582
| 5 |
Monterey |
CA |
MARNCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-582
| 6 |
Monterey |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2017-07-07 |
|
| 831-582
| 7 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2014-04-11 |
|
| 831-582
| 8 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2017-07-03 |
|
| 831-582
| 9 |
Monterey |
CA |
MARNCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| A |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 0 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 1 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 2 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 3 |
Monterey |
CA |
MTRYCAPM5MD |
145J TERRA NOVA TELECOM INC. |
736 |
|
2024-05-10 |
|
| 831-583
| 4 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 5 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2017-07-28 |
|
| 831-583
| 6 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-583
| 7 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2016-08-19 |
|
| 831-583
| 8 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2016-08-19 |
|
| 831-583
| 9 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-585
| A |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-585
| 0 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2006-05-31 |
|
| 831-585
| 1 |
Salinas |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-04-11 |
|
| 831-585
| 2 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2006-10-08 |
|
| 831-585
| 3 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2006-10-08 |
|
| 831-585
| 4 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2007-08-05 |
|
| 831-585
| 5 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2008-05-23 |
|
| 831-585
| 6 |
Salinas |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2007-04-05 |
|
| 831-585
| 7 |
Salinas |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2006-11-17 |
|
| 831-585
| 8 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2006-08-27 |
|
| 831-585
| 9 |
Salinas |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2006-06-15 |
|
| 831-586
| A |
San Juan |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-586
| 0 |
San Juan |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2010-08-30 |
|
| 831-586
| 1 |
San Juan |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-586
| 2 |
San Juan |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-586
| 3 |
San Juan |
CA |
|
515J IP HORIZON LLC |
736 |
|
2022-10-20 |
|
| 831-586
| 5 |
San Juan |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-08-17 |
|
| 831-586
| 6 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-586
| 7 |
San Juan |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2022-08-03 |
|
| 831-586
| 8 |
San Juan |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2015-04-25 |
|
| 831-586
| 9 |
San Juan |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2016-03-05 |
|
| 831-587
| A |
Watsonville |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
|
|
| 831-587
| 0 |
Watsonville |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2022-11-25 |
|
| 831-587
| 1 |
Watsonville |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-19 |
|
| 831-587
| 2 |
Watsonville |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-19 |
|
| 831-587
| 3 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2022-09-11 |
|
| 831-587
| 4 |
Watsonville |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2022-08-29 |
|
| 831-587
| 5 |
Watsonville |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2022-08-29 |
|
| 831-587
| 6 |
Watsonville |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2022-08-29 |
|
| 831-587
| 7 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2022-04-23 |
|
| 831-587
| 8 |
Watsonville |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
2021-10-23 |
|
| 831-587
| 9 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2021-10-24 |
|
| 831-588
| A |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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