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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-588 A Trinity OH CLEVOH6207Z  318J COMCAST IP PHONE, LLC 320      
440-588 0 Trinity OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-11-19   
440-588 1 Trinity OH CLEVOH6207Z  318J COMCAST IP PHONE, LLC 320   2018-03-10   
440-588 2 Trinity OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-01-06   
440-588 3 Trinity OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-01-06   
440-588 4 Trinity OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-06-07   
440-588 5 Trinity OH CLEVOH02RMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 320   2018-03-11   
440-588 6 Trinity OH CLEVOH02RMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 320   2019-04-26   
440-588 7 Trinity OH CLEVOHEKKMD  516J TON80 COMMUNICATIONS, LLC 320   2021-10-16   
440-588 8 Trinity OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2018-03-11   
440-588 9 Trinity OH CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2021-10-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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