Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 220 [Rate centres in NPA 220] [Dial plan for NPA 220]

NXX: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-529 A Old Washington OH CLMDOH44JMD  965H FRACTEL, LLC 324      
220-529 0 Old Washington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-08-24   
220-529 1 Old Washington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2022-12-28   
220-529 2 Old Washington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-02-12   
220-529 3 Old Washington OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-04-11   
220-529 4 Old Washington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-24   
220-529 5 Old Washington OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2022-02-20   
220-529 6 Old Washington OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-08-01   
220-529 7 Old Washington OH   145J TERRA NOVA TELECOM INC. 324   2025-07-25   
220-529 8 Old Washington OH CLMBOH1128Z  225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 324   2024-03-29   
220-529 9 Old Washington OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-04-11   

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

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