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 |
| 831-593
| A |
San Juan |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
|
|
| 831-593
| 0 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-07-22 |
|
| 831-593
| 1 |
San Juan |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
2009-07-26 |
|
| 831-593
| 2 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2017-04-27 |
|
| 831-593
| 3 |
San Juan |
CA |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-01-05 |
|
| 831-593
| 4 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-07-28 |
|
| 831-593
| 5 |
San Juan |
CA |
SLNSCA01X5Y |
516C AT&T CORP. |
736 |
|
2011-09-26 |
|
| 831-593
| 6 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-07-28 |
|
| 831-593
| 7 |
San Juan |
CA |
SLNSCA01X7Y |
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
| 831-593
| 8 |
San Juan |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-01-27 |
|
| 831-593
| 9 |
San Juan |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2018-02-22 |
|
| 831-594
| A |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-595
| A |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-596
| A |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
|
|
| 831-597
| A |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-597
| 0 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-09-09 |
|
| 831-597
| 1 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-09-09 |
|
| 831-597
| 2 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-09-09 |
|
| 831-597
| 3 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-09-09 |
|
| 831-597
| 4 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-09-09 |
|
| 831-597
| 5 |
Salinas |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
2021-07-24 |
|
| 831-597
| 6 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-597
| 7 |
Salinas |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
2021-07-24 |
|
| 831-597
| 8 |
Salinas |
CA |
MTRYCAPM1MD |
939H COMMIO, LLC |
736 |
|
2021-07-24 |
|
| 831-597
| 9 |
Salinas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-600
| A |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-600
| 0 |
Santa Cruz |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
722 |
|
2025-05-15 |
|
| 831-600
| 1 |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-600
| 2 |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-600
| 3 |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-600
| 4 |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-600
| 5 |
Santa Cruz |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-01-26 |
|
| 831-600
| 6 |
Santa Cruz |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2006-02-09 |
|
| 831-600
| 7 |
Santa Cruz |
CA |
|
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2006-11-02 |
|
| 831-600
| 8 |
Santa Cruz |
CA |
|
394L COMCAST PHONE OF CALIFORNIA, LLC |
722 |
|
2006-11-02 |
|
| 831-600
| 9 |
Santa Cruz |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
|
|
| 831-601
| A |
Monterey |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
|
|
| 831-603
| A |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-604
| A |
Ben Lomond |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-607
| A |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 831-607
| 0 |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 831-607
| 1 |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 831-607
| 2 |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 831-607
| 3 |
Aptos |
CA |
SNJSCAYB0MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
722 |
|
2009-07-04 |
|
| 831-607
| 4 |
Aptos |
CA |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 831-607
| 5 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-13 |
|
| 831-607
| 6 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-13 |
|
| 831-607
| 7 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2005-06-13 |
|
| 831-607
| 8 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2010-09-09 |
|
| 831-607
| 9 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-04-01 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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