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 |
| 661-888
| A |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
|
|
| 661-888
| 0 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2019-10-25 |
|
| 661-888
| 1 |
|
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2010-10-28 |
|
| 661-888
| 2 |
|
649C ONVOY, LLC - CA |
730 |
|
2012-12-31 |
|
| 661-888
| 3 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2010-10-28 |
|
| 661-888
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2011-08-29 |
|
| 661-888
| 5 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2012-01-06 |
|
| 661-888
| 6 |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2019-02-15 |
|
| 661-888
| 7 |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2019-11-02 |
|
| 661-888
| 8 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2010-10-18 |
|
| 661-888
| 9 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2019-12-26 |
|
| 661-904
| A |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 0 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 1 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 2 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 3 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 4 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 5 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 6 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-904
| 7 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2003-09-05 |
|
| 661-904
| 8 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2003-09-05 |
|
| 661-904
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-964
| A |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-964
| 0 |
|
145J TERRA NOVA TELECOM INC. |
730 |
|
2025-06-26 |
|
| 661-964
| 1 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-964
| 2 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2012-03-10 |
|
| 661-964
| 3 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 661-964
| 4 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-03-09 |
|
| 661-964
| 5 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2023-12-21 |
|
| 661-964
| 6 |
|
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
2005-11-15 |
|
| 661-964
| 7 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2006-02-06 |
|
| 661-964
| 8 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2006-02-06 |
|
| 661-964
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2006-02-06 |
|
| 661-993
| A |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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