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 |
| 831-676
| 4 |
Salinas |
CA |
SLNSCA01X8Y |
5562 METROPCS, INC. |
736 |
|
2011-09-25 |
|
| 831-676
| 5 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2006-06-04 |
|
| 831-676
| 6 |
Salinas |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2006-06-04 |
|
| 831-676
| 7 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2007-03-28 |
|
| 831-676
| 8 |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2007-05-28 |
|
| 831-676
| 9 |
Salinas |
CA |
SLNSCA01X1X |
7421 AT&T - LOCAL |
736 |
|
|
|
| 831-677
| A |
Soledad |
CA |
SLNSCA011KD |
7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA |
736 |
|
|
|
| 831-677
| 0 |
Soledad |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2025-05-03 |
|
| 831-677
| 1 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2021-09-26 |
|
| 831-677
| 2 |
Soledad |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-677
| 3 |
Soledad |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-677
| 4 |
Soledad |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2022-03-04 |
|
| 831-677
| 5 |
Soledad |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-677
| 6 |
Soledad |
CA |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-03-28 |
|
| 831-677
| 7 |
Soledad |
CA |
MTRYCAPM6MD |
965H FRACTEL, LLC |
736 |
|
2020-11-29 |
|
| 831-677
| 8 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2020-12-26 |
|
| 831-677
| 9 |
Soledad |
CA |
SLNSCABIXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
736 |
|
2021-04-01 |
|
| 831-678
| A |
Soledad |
CA |
SLDDCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-679
| A |
Chualar |
CA |
CHLRCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-679
| 0 |
Chualar |
CA |
CHLRCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-679
| 1 |
Chualar |
CA |
CHLRCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-679
| 2 |
Chualar |
CA |
CHLRCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-679
| 3 |
Chualar |
CA |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-26 |
|
| 831-679
| 4 |
Chualar |
CA |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2017-04-27 |
|
| 831-679
| 7 |
Chualar |
CA |
SLNSCA01XGX |
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-679
| 8 |
Chualar |
CA |
|
145J TERRA NOVA TELECOM INC. |
736 |
|
2021-01-12 |
|
| 831-679
| 9 |
Chualar |
CA |
|
792K CHARTER IP ENABLED SERVICES, LLC |
736 |
|
2018-09-11 |
|
| 831-682
| A |
Salinas |
CA |
SLNSCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
|
|
| 831-684
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-684
| 0 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-684
| 1 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-684
| 2 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-684
| 3 |
Aptos |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-09-09 |
|
| 831-684
| 4 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-684
| 5 |
Aptos |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-09-09 |
|
| 831-684
| 6 |
Aptos |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2020-09-09 |
|
| 831-684
| 7 |
Aptos |
CA |
SNFCCASY5MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2011-12-05 |
|
| 831-684
| 8 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2021-07-30 |
|
| 831-685
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-687
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-687
| 0 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-687
| 1 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-687
| 2 |
Aptos |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2006-06-14 |
|
| 831-687
| 4 |
Aptos |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2016-01-06 |
|
| 831-687
| 5 |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-687
| 7 |
Aptos |
CA |
SNRTCAHFDS0 |
433E SONIC TELECOM, LLC - CA |
722 |
|
2012-12-22 |
|
| 831-687
| 8 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-07-29 |
|
| 831-687
| 9 |
Aptos |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2011-07-29 |
|
| 831-688
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 831-689
| A |
Aptos |
CA |
APTSCA12DS0 |
9740 PACIFIC BELL |
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: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.