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 |
| 831-854
| 9 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-855
| A |
Monterey |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-855
| 0 |
Monterey |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-855
| 1 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2022-11-25 |
|
| 831-855
| 2 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2022-11-25 |
|
| 831-855
| 3 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2022-11-25 |
|
| 831-855
| 4 |
Monterey |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2019-07-07 |
|
| 831-855
| 5 |
Monterey |
CA |
MTRYCAPM6MD |
965H FRACTEL, LLC |
736 |
|
2020-11-29 |
|
| 831-855
| 6 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2022-11-25 |
|
| 831-855
| 7 |
Monterey |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2022-11-25 |
|
| 831-855
| 8 |
Monterey |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2023-11-02 |
|
| 831-855
| 9 |
Monterey |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2019-12-22 |
|
| 831-856
| A |
Greenfield (Monterey) |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
|
|
| 831-856
| 0 |
Greenfield (Monterey) |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-03-28 |
|
| 831-856
| 1 |
Greenfield (Monterey) |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-856
| 2 |
Greenfield (Monterey) |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-856
| 3 |
Greenfield (Monterey) |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2015-05-02 |
|
| 831-856
| 4 |
Greenfield (Monterey) |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2017-03-26 |
|
| 831-856
| 5 |
Greenfield (Monterey) |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-31 |
|
| 831-856
| 6 |
Greenfield (Monterey) |
CA |
SLNSCA01X1Y |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
736 |
|
2014-11-06 |
|
| 831-856
| 7 |
Greenfield (Monterey) |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2012-01-08 |
|
| 831-856
| 8 |
Greenfield (Monterey) |
CA |
SLNSCA01X5Y |
516C AT&T CORP. |
736 |
|
2010-11-05 |
|
| 831-856
| 9 |
Greenfield (Monterey) |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-08-17 |
|
| 831-859
| A |
Salinas |
CA |
MTRYCAPM9MD |
321J HD CARRIER LLC |
736 |
|
2024-08-23 |
|
| 831-859
| 0 |
Salinas |
CA |
SLNTCAPS5MD |
732J NUSO, LLC |
736 |
|
2024-09-21 |
|
| 831-859
| 1 |
Salinas |
CA |
SLNTCAPS5MD |
732J NUSO, LLC |
736 |
|
2024-09-21 |
|
| 831-859
| 2 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2024-11-08 |
|
| 831-859
| 3 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2024-11-27 |
|
| 831-859
| 4 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-09-15 |
|
| 831-859
| 5 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-09-15 |
|
| 831-859
| 6 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-08-29 |
|
| 831-859
| 7 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-08-29 |
|
| 831-859
| 8 |
Salinas |
CA |
MTRYCAPM9MD |
321J HD CARRIER LLC |
736 |
|
2024-08-23 |
|
| 831-859
| 9 |
Salinas |
CA |
MTRYCAPM9MD |
321J HD CARRIER LLC |
736 |
|
2024-08-23 |
|
| 831-867
| A |
Monterey |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
|
|
| 831-867
| 0 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-07-24 |
|
| 831-867
| 1 |
Monterey |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2023-10-29 |
|
| 831-867
| 2 |
Monterey |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2023-10-29 |
|
| 831-867
| 5 |
Monterey |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
2017-05-15 |
|
| 831-867
| 6 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-03-21 |
|
| 831-867
| 7 |
Monterey |
CA |
MTRYCAPM7MD |
516J TON80 COMMUNICATIONS, LLC |
736 |
|
2022-03-17 |
|
| 831-867
| 8 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-03-21 |
|
| 831-867
| 9 |
Monterey |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-11-01 |
|
| 831-869
| A |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-869
| 0 |
Monterey |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2003-11-03 |
|
| 831-869
| 1 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
|
|
| 831-869
| 2 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2007-03-04 |
|
| 831-869
| 3 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2008-01-12 |
|
| 831-869
| 4 |
Monterey |
CA |
SLNSCA01X8Y |
6529 T-MOBILE USA, INC. |
736 |
|
2023-09-11 |
|
| 831-869
| 5 |
Monterey |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2006-06-15 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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