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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
646-666 A New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
646-666 0 New York City Zone 01 NY NYCMNYWI0MD  793K TWC IP ENABLED SERVICES, LLC 132   2008-10-20   
646-666 1 New York City Zone 01 NY   829J PAETEC ITEL, LLC 132   2008-03-13   
646-666 2 New York City Zone 01 NY   829J PAETEC ITEL, LLC 132   2008-03-12   
646-666 3 New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2008-04-03   
646-666 4 New York City Zone 01 NY   829J PAETEC ITEL, LLC 132   2008-10-10   
646-666 5 New York City Zone 01 NY   829J PAETEC ITEL, LLC 132   2008-10-30   
646-666 6 New York City Zone 01 NY   829J PAETEC ITEL, LLC 132   2009-08-31   
646-666 7 New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2008-04-16   
646-666 8 New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2008-04-16   
646-666 9 New York City Zone 01 NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2008-04-16   

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

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