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 |
| 831-837
| 4 |
Salinas |
CA |
MTRYCAPM7MD |
516J TON80 COMMUNICATIONS, LLC |
736 |
|
2022-03-11 |
|
| 831-837
| 5 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2023-06-05 |
|
| 831-837
| 6 |
Salinas |
CA |
SLNSCA01X1Y |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
736 |
|
2022-05-04 |
|
| 831-837
| 7 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2022-05-07 |
|
| 831-837
| 8 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2022-07-11 |
|
| 831-837
| 9 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2022-09-10 |
|
| 831-840
| A |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 0 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 1 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 2 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 3 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 4 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 5 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 6 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 831-840
| 7 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-06-11 |
|
| 831-840
| 8 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2003-09-21 |
|
| 831-840
| 9 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2005-08-18 |
|
| 831-842
| A |
Aptos |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
|
|
| 831-842
| 0 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-08-11 |
|
| 831-842
| 1 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-08-11 |
|
| 831-842
| 2 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-08-11 |
|
| 831-842
| 3 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-08-11 |
|
| 831-842
| 4 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2023-08-11 |
|
| 831-842
| 5 |
Aptos |
CA |
SNJUCACL7MD |
965H FRACTEL, LLC |
722 |
|
2022-01-22 |
|
| 831-842
| 7 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2022-03-11 |
|
| 831-842
| 8 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2022-03-11 |
|
| 831-842
| 9 |
Aptos |
CA |
SNFCCA21XNZ |
624H ONVOY SPECTRUM, LLC |
722 |
|
2024-08-18 |
|
| 831-844
| A |
Big Sur |
CA |
MTRYCAPM7MD |
516J TON80 COMMUNICATIONS, LLC |
736 |
|
|
|
| 831-844
| 0 |
Big Sur |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
|
|
| 831-844
| 3 |
Big Sur |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-03-21 |
|
| 831-844
| 4 |
Big Sur |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-03-21 |
|
| 831-844
| 6 |
Big Sur |
CA |
MTRYCAPM7MD |
516J TON80 COMMUNICATIONS, LLC |
736 |
|
2021-06-27 |
|
| 831-850
| A |
Felton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2024-01-21 |
|
| 831-850
| 0 |
Felton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-850
| 1 |
Felton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-850
| 3 |
Felton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-850
| 5 |
Felton |
CA |
SNJUCACL9MD |
516J TON80 COMMUNICATIONS, LLC |
722 |
|
2022-04-14 |
|
| 831-850
| 7 |
Felton |
CA |
SNJUCACL8MD |
145J TERRA NOVA TELECOM INC. |
722 |
|
2024-12-30 |
|
| 831-850
| 9 |
Felton |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-851
| A |
Watsonville |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2024-01-21 |
|
| 831-854
| A |
Santa Cruz |
CA |
OKLDCAAN4KD |
7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA |
722 |
|
|
|
| 831-854
| 0 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-854
| 1 |
Santa Cruz |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 831-854
| 2 |
Santa Cruz |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
722 |
|
2009-07-26 |
|
| 831-854
| 3 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2020-12-25 |
|
| 831-854
| 4 |
Santa Cruz |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2025-10-19 |
|
| 831-854
| 5 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2023-05-13 |
|
| 831-854
| 6 |
Santa Cruz |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2021-04-01 |
|
| 831-854
| 7 |
Santa Cruz |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-04-10 |
|
| 831-854
| 8 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2008-07-14 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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