Local Calling Guide

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

NXX: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-644 A Chesterland OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320      
440-644 0 Chesterland OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2015-06-27   
440-644 1 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-01   
440-644 2 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-01   
440-644 3 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-29   
440-644 4 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-29   
440-644 5 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-03-08   
440-644 6 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-03-08   
440-644 7 Chesterland OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-06-06   
440-644 8 Chesterland OH CLEVOHEK4MD  073H TELNYX LLC 320   2018-09-20   
440-644 9 Chesterland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-11-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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