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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Muskogee, OK

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-997 A BXBYOKXBDS1  669B BTC BROADBAND, INC. 538      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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