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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-587 A Mountain View NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2025-04-25   
973-587 1 Mountain View NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2012-12-01   
973-587 2 Mountain View NJ   637C ONVOY, LLC - NJ 224   2022-10-02   
973-587 5 Mountain View NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-11-30   
973-587 6 Mountain View NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2006-05-25   
973-587 7 Mountain View NJ   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2008-04-24   
973-587 8 Mountain View NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2008-05-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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