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: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-534 A Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-534 0 Mentor OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-534 1 Mentor OH   793K TWC IP ENABLED SERVICES, LLC 320   2015-07-16   
440-534 2 Mentor OH   9321 OHIO BELL TEL CO 320   2006-04-13   
440-534 3 Mentor OH   9321 OHIO BELL TEL CO 320   2006-04-13   
440-534 4 Mentor OH   9321 OHIO BELL TEL CO 320   2006-04-13   
440-534 5 Mentor OH   829J PAETEC ITEL, LLC 320   2004-02-23   
440-534 6 Mentor OH   9321 OHIO BELL TEL CO 320   2006-04-13   
440-534 7 Mentor OH   508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-03-31   
440-534 8 Mentor OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2013-04-26   
440-534 9 Mentor OH   464C ONVOY, LLC - OH 320   2021-01-31   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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