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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-998 A Palmdale: Palmdale DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-998 0 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2007-11-02   
661-998 1 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-05-03   
661-998 2 Palmdale: Palmdale DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-998 3 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-04-21   
661-998 4 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-04-21   
661-998 5 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-11-20   
661-998 6 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2008-10-23   
661-998 7 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2008-10-23   
661-998 8 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2007-07-30   
661-998 9 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-12-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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