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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-577 A Pierpont OH PIRPOHXARS1  0666 WINDSTREAM WESTERN RESERVE, INC. 320      
440-577 0 Pierpont OH   0666 WINDSTREAM WESTERN RESERVE, INC. 320      
440-577 1 Pierpont OH   0666 WINDSTREAM WESTERN RESERVE, INC. 320      
440-577 2 Pierpont OH   073H TELNYX LLC 320   2021-03-13   
440-577 3 Pierpont OH   464C ONVOY, LLC - OH 320   2021-04-12   
440-577 4 Pierpont OH   464C ONVOY, LLC - OH 320   2014-02-27   
440-577 5 Pierpont OH   464C ONVOY, LLC - OH 320   2020-01-10   
440-577 6 Pierpont OH   464C ONVOY, LLC - OH 320   2020-01-10   
440-577 7 Pierpont OH   508J CENTURYLINK COMMUNICATIONS, LLC 320   2015-08-28   
440-577 8 Pierpont OH   464C ONVOY, LLC - OH 320   2021-03-08   
440-577 9 Pierpont OH   0666 WINDSTREAM WESTERN RESERVE, INC. 320      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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