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: STMYKS04DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-319 4 Silver Lake KS 460D WTC COMMUNICATIONS, INC. - KS 534   2022-11-15   
785-321 A St Marys KS 460D WTC COMMUNICATIONS, INC. - KS 534      
785-352 4 Rossville KS 460D WTC COMMUNICATIONS, INC. - KS 534   2021-01-07   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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