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.

Switch: WCFLTXNIDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-235 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-257 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-322 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-341 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-386 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-397 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-557 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-676 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-716 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-720 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-723 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-730 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-761 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-763 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-764 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-766 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-767 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      
940-880 A Wichita Falls TX 9533 SOUTHWESTERN BELL 548      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.