Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 917 [Rate centres in NPA 917] [Dial plan for NPA 917]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
917-421 A New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 0 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2006-09-08   
917-421 1 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 2 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2004-03-16   
917-421 3 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 4 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 5 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 6 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2006-09-08   
917-421 7 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 8 New York City Zone 01 NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
917-421 9 New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2005-10-21   

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

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