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: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-991 A North Augusta SC AGSTGAMTXSY  548E ONVOY, LLC - SC 442      
803-991 0 North Augusta SC AGSTGAMTXSY  548E ONVOY, LLC - SC 442   2016-03-05   
803-991 1 North Augusta SC AGSTGAMTXMZ  5562 METROPCS, INC. 442   2016-03-11   
803-991 2 North Augusta SC AGSTGAEFX4X  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 442   2017-09-29   
803-991 3 North Augusta SC AGSTGAEFX4X  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 442   2017-01-06   
803-991 4 North Augusta SC AGSTGAMTXSY  548E ONVOY, LLC - SC 442   2019-05-24   
803-991 5 North Augusta SC AGSTGAPU1MD  073H TELNYX LLC 442   2020-05-26   
803-991 6 North Augusta SC AGSTGAMTXSY  548E ONVOY, LLC - SC 442   2016-03-11   
803-991 7 North Augusta SC AGSTGAMTXSY  548E ONVOY, LLC - SC 442   2016-03-11   
803-991 8 North Augusta SC AGSTGAMTXMZ  5562 METROPCS, INC. 442   2016-03-31   
803-991 9 North Augusta SC AGSTGAMTXMZ  7473 POWERTEL ATLANTA LICENSES, INC. 442   2022-05-20   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.