Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 646 [Rate centres in NPA 646] [Dial plan for NPA 646]

NXX: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
646-721 A New York City Zone 01 NY NYCMNYAACMM  5562 METROPCS, INC. 132      
646-721 0 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-02   
646-721 1 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-02   
646-721 2 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-10-11   
646-721 3 New York City Zone 01 NY NYCMNYAACMM  5562 METROPCS, INC. 132   2009-03-24   
646-721 4 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-10-25   
646-721 5 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-10-25   
646-721 6 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-28   
646-721 7 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-28   
646-721 8 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-28   
646-721 9 New York City Zone 01 NY NYCKNYZSDS0  325B XCHANGE TELECOM CORP. - NY 132   2009-07-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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