Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-750 A Lowell OH ATHNOHXAY0X  425J CSC WIRELESS, LLC 324      
740-750 0 Lowell OH   073H TELNYX LLC 324   2021-01-22   
740-750 1 Lowell OH   624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-750 2 Lowell OH   425J CSC WIRELESS, LLC 324   2019-05-10   
740-750 4 Lowell OH   464C ONVOY, LLC - OH 324   2021-03-11   
740-750 5 Lowell OH   464C ONVOY, LLC - OH 324   2021-03-11   

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

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