Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Upper Greenwood Lake, NJ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
973-749 A   612K CSC VOICE, LLC 224      
973-749 0   8407 COOPERATIVE COMMUNICATIONS, INC. 224   2005-02-14   
973-749 1   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2007-07-26   
973-749 2   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2018-03-01   
973-749 4   145J TERRA NOVA TELECOM INC. 224   2025-07-06   
973-749 5   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2018-11-24   
973-749 6   612K CSC VOICE, LLC 224   2004-03-01   
973-749 7   999H BLUEBIRD COMMUNICATIONS, LLC - NJ 224   2018-09-20   
973-749 8   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2023-12-08   
973-749 9   482E FUSION, LLC 224   2008-04-18   
973-853 A UGLKNJXVRS1  0135 ALTEVA OF WARWICK LLC 224      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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