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: 973 [Rate centres in NPA 973] [Dial plan for NPA 973]

NXX: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-287 A Caldwell NJ NWRKNJ02Y8X  7421 AT&T - LOCAL 224      
973-287 0 Caldwell NJ NBWKNJ481MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 224   2002-03-01   
973-287 1 Caldwell NJ NWRKNJ02Y8X  7421 AT&T - LOCAL 224      
973-287 2 Caldwell NJ   145J TERRA NOVA TELECOM INC. 224   2021-01-25   
973-287 3 Caldwell NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-12-16   
973-287 4 Caldwell NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-12-16   
973-287 5 Caldwell NJ NWRKNJ0209Z  2680 PAETEC COMMUNICATIONS, INC. - NJ 224   2004-08-25   
973-287 6 Caldwell NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2005-06-09   
973-287 7 Caldwell NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2006-09-29   
973-287 8 Caldwell NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2002-02-20   
973-287 9 Caldwell NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2006-12-04   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.