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]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-970 A Mattituck NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-971 A West Commack NY NYCQNYPLAMD  4593 BROADVIEW NETWORKS, INC. - NY 132      
631-972 A Brentwood NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-973 A Kings Park NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-974 A Smithtown NY SYOSNYGNCM1  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132      
631-975 A Center Moriches NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-977 A Patchogue NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-978 A Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-979 A Smithtown NY SMTWNYSMDS0  9104 VERIZON NEW YORK, INC. 132      
631-980 A Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-981 A Ronkonkoma NY RNKNNYRNDS0  9104 VERIZON NEW YORK, INC. 132      
631-982 A Smithtown NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-983 A Babylon NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-984 A Deer Park NY WHPLNYGRX0X  425J CSC WIRELESS, LLC 132      
631-985 A Riverhead NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-986 A Smithtown NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-987 A Brentwood NY GNBGNY01AMD  6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 132      
631-988 A Huntington NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
631-989 A Riverhead NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
631-990 A Bay Shore NY NYCNNYFU1MD  363H AIRUS, INC. - NY 132      
631-991 A Lindenhurst NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-992 A Deer Park NY HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-993 A Commack NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-994 A Brentwood NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
631-995 A Yaphank NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-996 A Quogue NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-997 A Selden NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
631-998 A Westhampton NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-999 A Jamesport NY   558C REGIONAL TELEPHONE CORPORATION - NY 132   2024-04-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.