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.

NPA: 912 [Rate centres in NPA 912] [Dial plan for NPA 912]

NXX: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
912-679 A St Simons Island GA SVNHGABSXDZ  983E BANDWIDTH.COM CLEC, LLC - GA 440      
912-679 0 St Simons Island GA   983E BANDWIDTH.COM CLEC, LLC - GA 440   2022-12-16   
912-679 1 St Simons Island GA   067D ONVOY, LLC - GA 440   2023-10-15   
912-679 2 St Simons Island GA   067D ONVOY, LLC - GA 440   2023-10-15   
912-679 3 St Simons Island GA   067D ONVOY, LLC - GA 440   2023-10-15   
912-679 4 St Simons Island GA   067D ONVOY, LLC - GA 440   2023-10-15   
912-679 5 St Simons Island GA   067D ONVOY, LLC - GA 440   2023-10-15   
912-679 8 St Simons Island GA   067D ONVOY, LLC - GA 440   2024-04-19   
912-679 9 St Simons Island GA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 440   2024-05-25   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.