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 |
| 831-636
| A |
Hollister |
CA |
HLSTCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-637
| A |
Hollister |
CA |
HLSTCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-638
| A |
Hollister |
CA |
HLSTCA11DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 0 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 1 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-07-24 |
|
| 831-641
| 2 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-12-02 |
|
| 831-641
| 3 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 4 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 5 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 6 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-641
| 7 |
Monterey |
CA |
|
394L COMCAST PHONE OF CALIFORNIA, LLC |
736 |
|
2017-07-25 |
|
| 831-641
| 8 |
Monterey |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2026-02-05 |
|
| 831-641
| 9 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-642
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 0 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 1 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 2 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 3 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 5 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2017-01-30 |
|
| 831-643
| 6 |
Monterey |
CA |
SLNSCA01X1Y |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
736 |
|
2019-05-31 |
|
| 831-643
| 7 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 8 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-643
| 9 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-644
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-645
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-646
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-647
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-648
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 0 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 1 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 2 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 3 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 4 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 5 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 6 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 7 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 8 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-649
| 9 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-12-02 |
|
| 831-652
| A |
Carmel Valley |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
|
|
| 831-652
| 0 |
Carmel Valley |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
2020-10-05 |
|
| 831-652
| 1 |
Carmel Valley |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-08-17 |
|
| 831-652
| 2 |
Carmel Valley |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2017-04-26 |
|
| 831-652
| 3 |
Carmel Valley |
CA |
SLNSCA01X5Y |
516C AT&T CORP. |
736 |
|
2012-12-03 |
|
| 831-652
| 4 |
Carmel Valley |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2021-03-05 |
|
| 831-652
| 5 |
Carmel Valley |
CA |
SLNSCA01XGX |
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-04-13 |
|
| 831-652
| 6 |
Carmel Valley |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2018-10-14 |
|
| 831-652
| 7 |
Carmel Valley |
CA |
SLNSCA01X7Y |
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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