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 |
| 831-652
| 8 |
Carmel Valley |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2015-05-02 |
|
| 831-652
| 9 |
Carmel Valley |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2014-10-24 |
|
| 831-653
| A |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-653
| 0 |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-653
| 1 |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-653
| 2 |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-653
| 3 |
San Lucas |
CA |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2019-08-29 |
|
| 831-653
| 4 |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
2022-10-20 |
|
| 831-653
| 5 |
San Lucas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-07-28 |
|
| 831-653
| 6 |
San Lucas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-07-28 |
|
| 831-653
| 7 |
San Lucas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-653
| 8 |
San Lucas |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-653
| 9 |
San Lucas |
CA |
|
515J IP HORIZON LLC |
736 |
|
2022-10-20 |
|
| 831-655
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 0 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 1 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 2 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 3 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 4 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 5 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 6 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 7 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-656
| 8 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-656
| 9 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 0 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 1 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 2 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 3 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 4 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 5 |
Monterey |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2024-12-02 |
|
| 831-657
| 6 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-657
| 7 |
Monterey |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
2020-10-05 |
|
| 831-657
| 8 |
Monterey |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-12-12 |
|
| 831-657
| 9 |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-658
| A |
Monterey |
CA |
MTRYCA01DS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| A |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 0 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 1 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 2 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 3 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 4 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 5 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 6 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-659
| 8 |
Carmel Valley |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2021-01-12 |
|
| 831-659
| 9 |
Carmel Valley |
CA |
CRVYCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-661
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-661
| 0 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-661
| 1 |
Aptos |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
<< 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 >>
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.