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 |
| 831-610
| 3 |
Boulder Creek |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2016-02-24 |
|
| 831-610
| 4 |
Boulder Creek |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2016-05-08 |
|
| 831-610
| 5 |
Boulder Creek |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 831-610
| 6 |
Boulder Creek |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 831-610
| 7 |
Boulder Creek |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 831-610
| 8 |
Boulder Creek |
CA |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2015-04-08 |
|
| 831-610
| 9 |
Boulder Creek |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2016-02-24 |
|
| 831-612
| A |
Aptos |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-612
| 0 |
Aptos |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-612
| 1 |
Aptos |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2016-01-25 |
|
| 831-612
| 2 |
Aptos |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-14 |
|
| 831-612
| 3 |
Aptos |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 831-612
| 4 |
Aptos |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 831-612
| 5 |
Aptos |
CA |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
722 |
|
2014-05-20 |
|
| 831-612
| 6 |
Aptos |
CA |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2013-11-23 |
|
| 831-612
| 7 |
Aptos |
CA |
|
649C ONVOY, LLC - CA |
722 |
|
2016-02-22 |
|
| 831-612
| 8 |
Aptos |
CA |
|
553J WHITESKY COMMUNICATIONS, LLC |
722 |
|
2021-09-16 |
|
| 831-612
| 9 |
Aptos |
CA |
|
145J TERRA NOVA TELECOM INC. |
722 |
|
2023-04-26 |
|
| 831-613
| A |
Greenfield (Monterey) |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
|
|
| 831-613
| 0 |
Greenfield (Monterey) |
CA |
|
5562 METROPCS, INC. |
736 |
|
2017-10-12 |
|
| 831-613
| 1 |
Greenfield (Monterey) |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2010-07-04 |
|
| 831-613
| 2 |
Greenfield (Monterey) |
CA |
|
5562 METROPCS, INC. |
736 |
|
2007-07-27 |
|
| 831-613
| 3 |
Greenfield (Monterey) |
CA |
|
5562 METROPCS, INC. |
736 |
|
2005-11-09 |
|
| 831-613
| 4 |
Greenfield (Monterey) |
CA |
|
5562 METROPCS, INC. |
736 |
|
2008-12-22 |
|
| 831-613
| 5 |
Greenfield (Monterey) |
CA |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-613
| 6 |
Greenfield (Monterey) |
CA |
|
5562 METROPCS, INC. |
736 |
|
2010-09-13 |
|
| 831-613
| 7 |
Greenfield (Monterey) |
CA |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
| 831-613
| 8 |
Greenfield (Monterey) |
CA |
|
073H TELNYX LLC |
736 |
|
2018-07-03 |
|
| 831-613
| 9 |
Greenfield (Monterey) |
CA |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2016-03-05 |
|
| 831-618
| A |
Boulder Creek |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 831-620
| A |
Carmel |
CA |
CRMLCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 0 |
Carmel |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 1 |
Carmel |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 2 |
Carmel |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2011-06-05 |
|
| 831-620
| 3 |
Carmel |
CA |
|
649C ONVOY, LLC - CA |
736 |
|
2026-02-06 |
|
| 831-620
| 4 |
Carmel |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 5 |
Carmel |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2013-02-19 |
|
| 831-620
| 6 |
Carmel |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 7 |
Carmel |
CA |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-04-25 |
|
| 831-620
| 8 |
Carmel |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-620
| 9 |
Carmel |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2019-09-27 |
|
| 831-621
| A |
Santa Cruz |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 0 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 1 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 2 |
Santa Cruz |
CA |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2013-09-03 |
|
| 831-621
| 3 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 4 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 5 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2010-09-11 |
|
| 831-621
| 6 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 7 |
Santa Cruz |
CA |
|
6529 T-MOBILE USA, INC. |
722 |
|
2021-04-01 |
|
| 831-621
| 8 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-621
| 9 |
Santa Cruz |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
|
|
| 831-622
| A |
Carmel |
CA |
CRMLCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| A |
San Juan |
CA |
SNJNCA11RS1 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 0 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 1 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 2 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 3 |
San Juan |
CA |
|
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-623
| 4 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 5 |
San Juan |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-31 |
|
| 831-623
| 6 |
San Juan |
CA |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-623
| 7 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-623
| 8 |
San Juan |
CA |
|
073H TELNYX LLC |
736 |
|
2018-07-03 |
|
| 831-623
| 9 |
San Juan |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-624
| A |
Carmel |
CA |
CRMLCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-625
| A |
Carmel |
CA |
CRMLCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-626
| A |
Carmel |
CA |
CRMLCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| A |
San Ardo |
CA |
SNARCA11RS1 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 1 |
San Ardo |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 2 |
San Ardo |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 3 |
San Ardo |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 4 |
San Ardo |
CA |
|
516C AT&T CORP. |
736 |
|
2011-09-26 |
|
| 831-627
| 5 |
San Ardo |
CA |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-627
| 6 |
San Ardo |
CA |
|
649C ONVOY, LLC - CA |
736 |
|
2017-04-27 |
|
| 831-627
| 7 |
San Ardo |
CA |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
| 831-627
| 8 |
San Ardo |
CA |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
736 |
|
2016-03-20 |
|
| 831-628
| A |
Tres Pinos |
CA |
TRPSCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-628
| 0 |
Tres Pinos |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2021-10-02 |
|
| 831-628
| 1 |
Tres Pinos |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-628
| 3 |
Tres Pinos |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-628
| 5 |
Tres Pinos |
CA |
|
516C AT&T CORP. |
736 |
|
2011-09-26 |
|
| 831-628
| 7 |
Tres Pinos |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2021-06-21 |
|
| 831-628
| 8 |
Tres Pinos |
CA |
|
776C CHARTER FIBERLINK CA-CCO, LLC - CA |
736 |
|
2016-09-24 |
|
| 831-628
| 9 |
Tres Pinos |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2022-11-03 |
|
| 831-630
| A |
Hollister |
CA |
HLSTCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 0 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 1 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 2 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 3 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 4 |
Hollister |
CA |
|
649C ONVOY, LLC - CA |
736 |
|
2020-06-08 |
|
| 831-630
| 5 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 6 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-630
| 7 |
Hollister |
CA |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-05-16 |
|
| 831-630
| 8 |
Hollister |
CA |
|
649C ONVOY, LLC - CA |
736 |
|
2020-06-08 |
|
| 831-630
| 9 |
Hollister |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-632
| A |
Castroville |
CA |
CSVLCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-632
| 0 |
Castroville |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-632
| 1 |
Castroville |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-632
| 2 |
Castroville |
CA |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-632
| 3 |
Castroville |
CA |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2024-12-12 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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