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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-973 A Kings Park NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-973 0 Kings Park NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-973 1 Kings Park NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
631-973 2 Kings Park NY NYCMNY37ZMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-973 3 Kings Park NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-973 4 Kings Park NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-973 5 Kings Park NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-973 6 Kings Park NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-973 7 Kings Park NY NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132      
631-973 8 Kings Park NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-973 9 Kings Park NY NYCMNY37UMD  321J HD CARRIER LLC 132      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.