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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-581 A Whippany NJ WHIPNJWHDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-581 0 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 1 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 2 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 3 Whippany NJ   197D VONAGE AMERICA LLC 224   2019-12-09   
973-581 4 Whippany NJ   637C ONVOY, LLC - NJ 224   2025-12-18   
973-581 5 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 6 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 7 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 8 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-581 9 Whippany NJ   9206 VERIZON NEW JERSEY, INC. 224      

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

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