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: 220 [Rate centres in NPA 220] [Dial plan for NPA 220]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-230 A Thornville OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324      
220-230 0 Thornville OH CLMBOHLTEMD  515J IP HORIZON LLC 324   2024-04-29   
220-230 1 Thornville OH CLMBOHLTEMD  515J IP HORIZON LLC 324   2024-04-29   
220-230 8 Thornville OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-11-03   
220-230 9 Thornville OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-08-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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