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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Farber, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-249 A FRBRMOXARS0  1876 FARBER TEL. CO. 520      
573-249 0 FRBRMOXARS0  1876 FARBER TEL. CO. 520      
573-249 2 FRBRMOXARS0  1876 FARBER TEL. CO. 520      
573-849 A   792K CHARTER IP ENABLED SERVICES, LLC 520      
573-849 0   792K CHARTER IP ENABLED SERVICES, LLC 520   2019-05-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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