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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-240 A Whippany NJ NWRKNJ02Y8X  7421 AT&T - LOCAL 224      
973-240 0 Whippany NJ   829J PAETEC ITEL, LLC 224   2002-03-02   
973-240 1 Whippany NJ   8407 COOPERATIVE COMMUNICATIONS, INC. 224   2002-03-29   
973-240 2 Whippany NJ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2005-08-18   
973-240 3 Whippany NJ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2005-08-18   
973-240 4 Whippany NJ   7421 AT&T - LOCAL 224      
973-240 5 Whippany NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2020-05-29   
973-240 6 Whippany NJ   829J PAETEC ITEL, LLC 224   2005-11-19   
973-240 7 Whippany NJ   612K CSC VOICE, LLC 224   2007-11-17   
973-240 8 Whippany NJ   073H TELNYX LLC 224   2017-05-03   
973-240 9 Whippany NJ   073H TELNYX LLC 224   2018-10-17   

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

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