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: 604

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-604 A Belleville NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
973-604 0 Belleville NJ   637C ONVOY, LLC - NJ 224   2019-05-22   
973-604 1 Belleville NJ   5562 METROPCS, INC. 224   2020-06-15   
973-604 2 Belleville NJ   637C ONVOY, LLC - NJ 224   2020-08-15   
973-604 3 Belleville NJ   637C ONVOY, LLC - NJ 224   2013-08-12   
973-604 4 Belleville NJ   637C ONVOY, LLC - NJ 224   2013-08-12   
973-604 5 Belleville NJ   637C ONVOY, LLC - NJ 224   2013-08-12   
973-604 6 Belleville NJ   637C ONVOY, LLC - NJ 224   2013-08-12   
973-604 7 Belleville NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2014-04-24   
973-604 8 Belleville NJ   637C ONVOY, LLC - NJ 224   2020-08-15   
973-604 9 Belleville NJ   637C ONVOY, LLC - NJ 224   2020-06-04   

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

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