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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-799 A Atlanta TX ATLNTXSWDS0  9533 SOUTHWESTERN BELL 554      
903-799 0 Atlanta TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-799 1 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 2 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 3 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 4 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 5 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 6 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 7 Atlanta TX   9533 SOUTHWESTERN BELL 554      
903-799 8 Atlanta TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2004-07-12   
903-799 9 Atlanta TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2006-03-13   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.