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.
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Switch: WCFLTXNIEMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-224 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      
940-473 A Vernon TX 6664 SPRINT SPECTRUM L.P. 548      
940-642 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      
940-923 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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