Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: NRFLVABSTMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
757-956 5 Norfolk Zone 3 VA 318J COMCAST IP PHONE, LLC 252   2018-06-18   
757-956 6 Norfolk Zone 3 VA 318J COMCAST IP PHONE, LLC 252   2018-06-18   
757-960 A Smithfield VA 318J COMCAST IP PHONE, LLC 252      
757-964 6 Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252   2018-06-28   
757-964 7 Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252   2018-06-28   
757-964 9 Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252   2019-09-28   
757-966 A Norfolk Zone 3 VA 318J COMCAST IP PHONE, LLC 252      
757-966 3 Norfolk Zone 3 VA 318J COMCAST IP PHONE, LLC 252   2014-03-11   
757-978 A Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252      
757-978 0 Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252   2019-09-28   
757-978 1 Newport News Zone 2 VA 318J COMCAST IP PHONE, LLC 252   2018-06-24   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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