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.
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Switch: SVNHGABUX8X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
912-761 A Savannah GA 475J CALLWORKS CORPORATION 440      
912-761 1 Savannah GA 475J CALLWORKS CORPORATION 440   2023-12-16   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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