Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-273 A Burton OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-273 0 Burton OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-273 1 Burton OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2013-04-26   
440-273 2 Burton OH   508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-07-18   
440-273 3 Burton OH   464C ONVOY, LLC - OH 320   2004-12-03   
440-273 4 Burton OH   145J TERRA NOVA TELECOM INC. 320   2023-06-23   
440-273 5 Burton OH   145J TERRA NOVA TELECOM INC. 320   2022-12-16   
440-273 6 Burton OH   464C ONVOY, LLC - OH 320   2005-07-19   
440-273 7 Burton OH   464C ONVOY, LLC - OH 320   2007-02-19   
440-273 8 Burton OH   793K TWC IP ENABLED SERVICES, LLC 320   2007-06-06   
440-273 9 Burton OH   145J TERRA NOVA TELECOM INC. 320   2024-02-14   

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

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