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: 269

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-269 A Baltimore OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-10-05   
220-269 8 Baltimore OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-10-05   
220-269 9 Baltimore OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-10-05   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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