Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 973 [Rate centres in NPA 973] [Dial plan for NPA 973]

NXX: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-721 A Sussex NJ CLTNNJXJMMD  420F SERVICE ELECTRIC TELEPHONE COMPANY, LLC - NJ 224      
973-721 0 Sussex NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2010-07-16   
973-721 1 Sussex NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2010-07-16   
973-721 2 Sussex NJ   145J TERRA NOVA TELECOM INC. 224   2025-07-06   
973-721 3 Sussex NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2009-08-01   
973-721 4 Sussex NJ CLTNNJXJMMD  420F SERVICE ELECTRIC TELEPHONE COMPANY, LLC - NJ 224   2009-07-10   
973-721 5 Sussex NJ   829J PAETEC ITEL, LLC 224   2015-03-20   
973-721 6 Sussex NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2014-04-24   
973-721 7 Sussex NJ JRCYNJ67CMD  508J CENTURYLINK COMMUNICATIONS, LLC 224   2013-09-16   
973-721 8 Sussex NJ PSWYNJBXDS0  999H BLUEBIRD COMMUNICATIONS, LLC - NJ 224   2018-09-20   
973-721 9 Sussex NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2013-11-10   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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