Local Calling Guide
Area code/prefix search
Santa Clarita: Newhall-Castaic DA, CA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-666
| 4 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2012-12-14 |
|
| 661-666
| 5 |
|
649C ONVOY, LLC - CA |
730 |
|
2012-12-31 |
|
| 661-666
| 6 |
|
649C ONVOY, LLC - CA |
730 |
|
2011-03-03 |
|
| 661-666
| 7 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2012-06-15 |
|
| 661-666
| 8 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2012-05-15 |
|
| 661-666
| 9 |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2014-04-03 |
|
| 661-670
| A |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-670
| 0 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2010-03-05 |
|
| 661-670
| 1 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2010-01-21 |
|
| 661-670
| 2 |
|
829J PAETEC ITEL, LLC |
730 |
|
2010-05-05 |
|
| 661-670
| 3 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2007-03-02 |
|
| 661-670
| 4 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2007-03-02 |
|
| 661-670
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2007-09-16 |
|
| 661-670
| 6 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2007-05-14 |
|
| 661-670
| 7 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2006-01-07 |
|
| 661-670
| 8 |
|
516C AT&T CORP. |
730 |
|
2010-07-20 |
|
| 661-670
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2010-03-05 |
|
| 661-678
| A |
SHOKCA02DS2 |
7421 AT&T - LOCAL |
730 |
|
|
|
| 661-678
| 0 |
|
516C AT&T CORP. |
730 |
|
2011-08-31 |
|
| 661-678
| 1 |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2010-03-12 |
|
| 661-678
| 2 |
|
7421 AT&T - LOCAL |
730 |
|
|
|
| 661-678
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2006-03-09 |
|
| 661-678
| 4 |
|
7421 AT&T - LOCAL |
730 |
|
|
|
| 661-678
| 5 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-06-12 |
|
| 661-678
| 6 |
|
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 7 |
|
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 8 |
|
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 9 |
|
649C ONVOY, LLC - CA |
730 |
|
2006-06-01 |
|
| 661-702
| A |
CSTCCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 0 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 1 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 2 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 3 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 4 |
|
829J PAETEC ITEL, LLC |
730 |
|
2005-10-14 |
|
| 661-702
| 5 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 6 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 7 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 8 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-702
| 9 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 661-705
| A |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 0 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 1 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 2 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 3 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 4 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 5 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2013-03-11 |
|
| 661-705
| 7 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 8 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-705
| 9 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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