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: 478 [Rate centres in NPA 478] [Dial plan for NPA 478]

NXX: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-588 A Swainsboro GA AGSTGADLCM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 442      
478-588 0 Swainsboro GA   5562 METROPCS, INC. 442   2017-04-07   
478-588 1 Swainsboro GA   6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 442      
478-588 2 Swainsboro GA   067D ONVOY, LLC - GA 442   2021-01-17   
478-588 3 Swainsboro GA   067D ONVOY, LLC - GA 442   2021-01-17   
478-588 4 Swainsboro GA   067D ONVOY, LLC - GA 442   2021-01-17   
478-588 5 Swainsboro GA   067D ONVOY, LLC - GA 442   2021-01-17   
478-588 6 Swainsboro GA   5562 METROPCS, INC. 442   2021-02-06   
478-588 7 Swainsboro GA   5562 METROPCS, INC. 442   2020-01-28   
478-588 8 Swainsboro GA   073H TELNYX LLC 442   2019-07-18   
478-588 9 Swainsboro GA   7473 POWERTEL ATLANTA LICENSES, INC. 442   2023-12-13   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.