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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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-301 A Nome TX BUMTTXTEX5X  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 562      
409-301 1 Nome TX BUMTTXTEX5X  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 562   2022-04-16   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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