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: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-427 A Olmsted Falls OH OLFLOH23RS2  9321 OHIO BELL TEL CO 320      
440-427 0 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      
440-427 1 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      
440-427 2 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      
440-427 3 Olmsted Falls OH   464C ONVOY, LLC - OH 320   2012-10-13   
440-427 4 Olmsted Falls OH   001F BANDWIDTH.COM CLEC, LLC - OH 320   2013-07-27   
440-427 5 Olmsted Falls OH   318J COMCAST IP PHONE, LLC 320   2013-12-31   
440-427 6 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      
440-427 7 Olmsted Falls OH   508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-07-18   
440-427 8 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      
440-427 9 Olmsted Falls OH   9321 OHIO BELL TEL CO 320      

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

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