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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 831-387
| 9 |
King City |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2020-03-02 |
|
| 831-388
| A |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-388
| 0 |
Greenfield (Monterey) |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2022-11-07 |
|
| 831-388
| 1 |
Greenfield (Monterey) |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
2022-11-10 |
|
| 831-388
| 2 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 3 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 4 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 5 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 6 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 7 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 9 |
Greenfield (Monterey) |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-07-24 |
|
| 831-389
| A |
Pinnacles |
CA |
PNCLCAXFDS0 |
2346 PINNACLES TEL. CO. |
736 |
|
|
|
| 831-392
| A |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-392
| 0 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-392
| 1 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-392
| 2 |
Monterey |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2024-11-12 |
|
| 831-392
| 3 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-392
| 5 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2005-12-01 |
|
| 831-392
| 6 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2005-12-30 |
|
| 831-392
| 7 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2005-12-30 |
|
| 831-393
| A |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 0 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 1 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 2 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 3 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 4 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2009-03-12 |
|
| 831-393
| 5 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2017-03-26 |
|
| 831-393
| 6 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 7 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 8 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-393
| 9 |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-394
| A |
Monterey |
CA |
SESDCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-400
| A |
Santa Cruz |
CA |
SNFCCAMKX3Y |
597F VOIP INNOVATIONS, LLC |
722 |
|
|
|
| 831-400
| 0 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2017-05-13 |
|
| 831-400
| 1 |
Santa Cruz |
CA |
SNFCCAMKX3Y |
597F VOIP INNOVATIONS, LLC |
722 |
|
2019-08-02 |
|
| 831-400
| 2 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-04-09 |
|
| 831-400
| 3 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2019-02-21 |
|
| 831-400
| 4 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2017-05-13 |
|
| 831-400
| 5 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2019-02-21 |
|
| 831-400
| 6 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2018-05-28 |
|
| 831-400
| 7 |
Santa Cruz |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2017-11-05 |
|
| 831-400
| 8 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2017-11-20 |
|
| 831-400
| 9 |
Santa Cruz |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2017-08-11 |
|
| 831-401
| A |
Ben Lomond |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-401
| 2 |
Ben Lomond |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-401
| 3 |
Ben Lomond |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-401
| 4 |
Ben Lomond |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2022-02-26 |
|
| 831-401
| 5 |
Ben Lomond |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2019-03-23 |
|
| 831-401
| 6 |
Ben Lomond |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-07 |
|
| 831-401
| 7 |
Ben Lomond |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2021-11-07 |
|
| 831-401
| 9 |
Ben Lomond |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-402
| A |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 0 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 1 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 2 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 3 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 4 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 5 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 6 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 7 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 8 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-402
| 9 |
Monterey |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-406
| A |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 831-406
| 0 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 831-406
| 1 |
Watsonville |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2009-01-15 |
|
| 831-406
| 2 |
Watsonville |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2010-10-21 |
|
| 831-406
| 3 |
Watsonville |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2011-06-24 |
|
| 831-406
| 4 |
Watsonville |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2011-07-14 |
|
| 831-406
| 5 |
Watsonville |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2015-07-31 |
|
| 831-406
| 6 |
Watsonville |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
2011-12-12 |
|
| 831-406
| 7 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2005-10-13 |
|
| 831-406
| 8 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2015-05-15 |
|
| 831-406
| 9 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
|
|
| 831-417
| A |
Salinas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-417
| 0 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-417
| 1 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-417
| 2 |
Salinas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-417
| 3 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-417
| 4 |
Salinas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2021-06-05 |
|
| 831-417
| 5 |
Salinas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-417
| 6 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2021-11-22 |
|
| 831-417
| 7 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-417
| 8 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-417
| 9 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2021-04-12 |
|
| 831-419
| A |
Santa Cruz |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-420
| A |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 0 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 1 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 2 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 3 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 4 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 5 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 6 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-420
| 7 |
Santa Cruz |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2004-12-10 |
|
| 831-420
| 8 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2007-07-29 |
|
| 831-420
| 9 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-421
| A |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-421
| 0 |
Santa Cruz |
CA |
SNCZCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-421
| 1 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2005-03-05 |
|
| 831-421
| 2 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2005-03-05 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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