Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-581 A Palmdale: Palmdale DA CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-581 0 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-04-15   
661-581 1 Palmdale: Palmdale DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-29   
661-581 2 Palmdale: Palmdale DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-29   
661-581 3 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-10-21   
661-581 4 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-11-21   
661-581 5 Palmdale: Palmdale DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-09-09   
661-581 6 Palmdale: Palmdale DA CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-12-17   
661-581 7 Palmdale: Palmdale DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-09-09   
661-581 8 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-20   
661-581 9 Palmdale: Palmdale DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-09-17   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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