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: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-899 A Sag Harbor NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-899 0 Sag Harbor NY NYCPNYYKFMD  4593 BROADVIEW NETWORKS, INC. - NY 132      
631-899 1 Sag Harbor NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
631-899 2 Sag Harbor NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-899 3 Sag Harbor NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-899 4 Sag Harbor NY WHPLNYGRDS1  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-899 6 Sag Harbor NY NYCMNY37XCX  818H PEERING HUB, INC. - NY 132      
631-899 7 Sag Harbor NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
631-899 9 Sag Harbor NY   145J TERRA NOVA TELECOM INC. 132      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.