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: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-319 A Whippany NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-319 0 Whippany NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2007-07-05   
973-319 1 Whippany NJ   637C ONVOY, LLC - NJ 224   2023-03-02   
973-319 2 Whippany NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-11-02   
973-319 3 Whippany NJ   637C ONVOY, LLC - NJ 224   2025-09-28   
973-319 4 Whippany NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2019-05-23   
973-319 5 Whippany NJ   637C ONVOY, LLC - NJ 224   2021-03-12   
973-319 6 Whippany NJ   637C ONVOY, LLC - NJ 224   2021-03-12   
973-319 7 Whippany NJ   637C ONVOY, LLC - NJ 224   2022-09-26   
973-319 8 Whippany NJ   637C ONVOY, LLC - NJ 224   2022-09-26   
973-319 9 Whippany NJ   637C ONVOY, LLC - NJ 224   2019-05-06   

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

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