Local Calling Guide
Area code/prefix search
Santa Clarita: Newhall-Castaic DA, CA
<< 1 2 3 4 5 6 7 8 9 10 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-310
| 9 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
|
|
| 661-312
| A |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 0 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 1 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 661-312
| 2 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 3 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 4 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 5 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 6 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 7 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 8 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-312
| 9 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 661-362
| A |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 0 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 1 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 2 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 3 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 4 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 5 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 6 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 7 |
|
829J PAETEC ITEL, LLC |
730 |
|
|
|
| 661-362
| 8 |
|
649C ONVOY, LLC - CA |
730 |
|
2012-12-31 |
|
| 661-362
| 9 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2022-10-16 |
|
| 661-373
| A |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 661-383
| A |
CSTCCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-383
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-05-21 |
|
| 661-383
| 1 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-05-21 |
|
| 661-383
| 2 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-05-21 |
|
| 661-383
| 3 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-07-23 |
|
| 661-383
| 4 |
|
9740 PACIFIC BELL |
730 |
|
2015-03-19 |
|
| 661-383
| 5 |
|
9740 PACIFIC BELL |
730 |
|
2015-03-19 |
|
| 661-383
| 6 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-08-16 |
|
| 661-383
| 7 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2015-05-19 |
|
| 661-383
| 8 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2016-04-25 |
|
| 661-383
| 9 |
|
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2015-04-27 |
|
| 661-388
| A |
SHOKCA022MD |
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
|
|
| 661-388
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-05-27 |
|
| 661-388
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2011-01-03 |
|
| 661-388
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2011-01-26 |
|
| 661-388
| 3 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-04-01 |
|
| 661-388
| 4 |
|
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2010-09-30 |
|
| 661-388
| 5 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-05-27 |
|
| 661-388
| 6 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-04-01 |
|
| 661-388
| 7 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2011-07-13 |
|
| 661-388
| 8 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-02-08 |
|
| 661-388
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-07-03 |
|
| 661-414
| A |
ONTRCAFXDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
730 |
|
|
|
| 661-414
| 0 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-08-07 |
|
| 661-414
| 1 |
|
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
730 |
|
|
|
| 661-414
| 2 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-10-07 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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