Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 646 [Rate centres in NPA 646] [Dial plan for NPA 646]

NXX: 756

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
646-756 A New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 0 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-02   
646-756 1 New York City Zone 01 NY GNBGNY01PS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 132   2011-12-06   
646-756 2 New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 3 New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 4 New York City Zone 01 NY NYCMNYWI0MD  793K TWC IP ENABLED SERVICES, LLC 132   2011-03-21   
646-756 5 New York City Zone 01 NY NYCMNYWI0MD  793K TWC IP ENABLED SERVICES, LLC 132   2011-03-21   
646-756 6 New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 7 New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 8 New York City Zone 01 NY NYCMNY50DS0  9104 VERIZON NEW YORK, INC. 132      
646-756 9 New York City Zone 01 NY NYCMNYAACMM  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2003-09-02   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.