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: AGSTGAMT05Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
478-350 A Bartow GA 318J COMCAST IP PHONE, LLC 442      
478-372 A Twin City GA 318J COMCAST IP PHONE, LLC 442      
478-401 A Millen GA 318J COMCAST IP PHONE, LLC 442      
706-550 A Augusta GA 318J COMCAST IP PHONE, LLC 442      
706-945 A Augusta GA 318J COMCAST IP PHONE, LLC 442      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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