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 |
| 831-315
| 3 |
Soledad |
CA |
SLNSCA01XTY |
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
2018-09-11 |
|
| 831-315
| 4 |
Soledad |
CA |
MTRYCAPM0MD |
073H TELNYX LLC |
736 |
|
2018-07-03 |
|
| 831-315
| 5 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2018-08-27 |
|
| 831-315
| 6 |
Soledad |
CA |
SLNSCA01X1Y |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
736 |
|
2016-05-16 |
|
| 831-315
| 7 |
Soledad |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2018-10-21 |
|
| 831-315
| 8 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2018-05-23 |
|
| 831-315
| 9 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2018-02-22 |
|
| 831-316
| A |
Santa Cruz |
CA |
SNJSCARMDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
|
|
| 831-316
| 0 |
Santa Cruz |
CA |
SNJSCARMDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
|
|
| 831-316
| 1 |
Santa Cruz |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2012-08-27 |
|
| 831-316
| 2 |
Santa Cruz |
CA |
HYWRCAMCDMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2014-01-07 |
|
| 831-316
| 3 |
Santa Cruz |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2012-05-21 |
|
| 831-316
| 4 |
Santa Cruz |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2012-08-11 |
|
| 831-316
| 5 |
Santa Cruz |
CA |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
2012-09-23 |
|
| 831-316
| 6 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2019-08-24 |
|
| 831-316
| 7 |
Santa Cruz |
CA |
OKLDCA03XOY |
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2013-09-06 |
|
| 831-316
| 8 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2007-07-27 |
|
| 831-316
| 9 |
Santa Cruz |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2012-07-22 |
|
| 831-317
| A |
Monterey |
CA |
MTRYCAPMGMD |
616J LEAP TELECOM, LLC |
736 |
|
2024-11-22 |
|
| 831-317
| 0 |
Monterey |
CA |
MTRYCAPMGMD |
616J LEAP TELECOM, LLC |
736 |
|
2024-11-22 |
|
| 831-317
| 1 |
Monterey |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-11-23 |
|
| 831-317
| 5 |
Monterey |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2025-03-23 |
|
| 831-317
| 6 |
Monterey |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2025-05-11 |
|
| 831-317
| 7 |
Monterey |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-11-23 |
|
| 831-317
| 8 |
Monterey |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-11-23 |
|
| 831-317
| 9 |
Monterey |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-11-23 |
|
| 831-318
| A |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-318
| 0 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2016-05-09 |
|
| 831-318
| 1 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2016-05-09 |
|
| 831-318
| 2 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-04-16 |
|
| 831-318
| 3 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-07-31 |
|
| 831-318
| 4 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-07-31 |
|
| 831-318
| 5 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-07-31 |
|
| 831-318
| 6 |
Aptos |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2016-09-16 |
|
| 831-318
| 7 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-06-09 |
|
| 831-318
| 8 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-06-09 |
|
| 831-318
| 9 |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
2016-09-15 |
|
| 831-319
| A |
Watsonville |
CA |
SNJSCARMDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
|
|
| 831-319
| 0 |
Watsonville |
CA |
SNJSCARMDS0 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
|
|
| 831-319
| 1 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2011-10-15 |
|
| 831-319
| 2 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2012-07-25 |
|
| 831-319
| 3 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2012-05-22 |
|
| 831-319
| 4 |
Watsonville |
CA |
WTVLCADV1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
722 |
|
2012-08-15 |
|
| 831-319
| 5 |
Watsonville |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2015-06-13 |
|
| 831-319
| 6 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2014-11-08 |
|
| 831-319
| 7 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2013-12-16 |
|
| 831-319
| 8 |
Watsonville |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2011-08-18 |
|
| 831-319
| 9 |
Watsonville |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2015-09-16 |
|
| 831-320
| A |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
|
|
| 831-321
| A |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2025-01-20 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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