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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
917-423 A New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
917-423 0 New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
917-423 1 New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
917-423 2 New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
917-423 3 New York City Zone 14 NY NYCMNYBXX3X  829J PAETEC ITEL, LLC 132   2006-12-19   
917-423 4 New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
917-423 5 New York City Zone 14 NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2007-03-08   
917-423 6 New York City Zone 14 NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2019-10-23   
917-423 7 New York City Zone 14 NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2019-10-23   
917-423 8 New York City Zone 14 NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2008-09-01   
917-423 9 New York City Zone 14 NY NYCMNYAACML  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2019-02-10   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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