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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
912-999 A Savannah GA SVNHGABUX3X  158H INVOXIO INCORPORATED 440      
912-999 0 Savannah GA   067D ONVOY, LLC - GA 440   2015-02-23   
912-999 1 Savannah GA   067D ONVOY, LLC - GA 440   2016-01-04   
912-999 2 Savannah GA   067D ONVOY, LLC - GA 440   2016-01-04   
912-999 3 Savannah GA   7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 440   2015-09-10   
912-999 4 Savannah GA   067D ONVOY, LLC - GA 440   2016-01-04   
912-999 5 Savannah GA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 440   2021-04-17   
912-999 6 Savannah GA   318J COMCAST IP PHONE, LLC 440   2015-09-11   
912-999 7 Savannah GA   318J COMCAST IP PHONE, LLC 440   2016-01-05   
912-999 8 Savannah GA   318J COMCAST IP PHONE, LLC 440   2016-01-05   
912-999 9 Savannah GA   158H INVOXIO INCORPORATED 440   2013-10-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.