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: ATLNGAMQUMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
770-702 0 Atlanta Northwest GA 197D VONAGE AMERICA LLC 438   2013-09-26   
943-203 1 Atlanta GA 197D VONAGE AMERICA LLC 438   2023-10-26   
943-244 A Atlanta South GA 197D VONAGE AMERICA LLC 438   2024-05-02   
943-244 5 Atlanta South GA 197D VONAGE AMERICA LLC 438   2024-05-02   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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