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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-221 A Marion OH DLWROHXAKMD  464C ONVOY, LLC - OH 324      
220-221 0 Marion OH   464C ONVOY, LLC - OH 324   2021-06-05   
220-221 1 Marion OH   6701 AERIAL COMMUNICATIONS, INC. 324   2021-06-12   
220-221 2 Marion OH   6701 AERIAL COMMUNICATIONS, INC. 324   2021-06-12   
220-221 3 Marion OH   464C ONVOY, LLC - OH 324   2025-01-05   
220-221 4 Marion OH   464C ONVOY, LLC - OH 324   2025-03-01   
220-221 5 Marion OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2022-09-06   
220-221 6 Marion OH   464C ONVOY, LLC - OH 324   2023-10-27   
220-221 7 Marion OH   624H ONVOY SPECTRUM, LLC 324   2021-11-13   
220-221 8 Marion OH   624H ONVOY SPECTRUM, LLC 324   2021-11-13   
220-221 9 Marion OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2023-07-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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