Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: TWNDKSJERL0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-536 A Towanda KS 9533 SOUTHWESTERN BELL 532      
316-541 A Towanda Metro KS 9533 SOUTHWESTERN BELL 532      

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

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