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: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-931 A East Hampton NY NYCMNY37RMD  705G WIDE VOICE, LLC - NY 132      
631-931 0 East Hampton NY NYCMNYBXJMD  073H TELNYX LLC 132      
631-931 1 East Hampton NY NYCMNY37RMD  705G WIDE VOICE, LLC - NY 132      
631-931 2 East Hampton NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-931 3 East Hampton NY   515J IP HORIZON LLC 132      
631-931 4 East Hampton NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-931 5 East Hampton NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-931 6 East Hampton NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
631-931 7 East Hampton NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-931 8 East Hampton NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-931 9 East Hampton NY NYCMNY13XMX  534J UCOMTEL INC. 132      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.