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: 768

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-768 A Willoughby OH CLEVOH6214Z  7421 AT&T - LOCAL 320      
440-768 0 Willoughby OH   939H COMMIO, LLC 320   2022-11-24   
440-768 1 Willoughby OH   464C ONVOY, LLC - OH 320   2023-08-24   
440-768 2 Willoughby OH   464C ONVOY, LLC - OH 320   2023-08-24   
440-768 3 Willoughby OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2024-09-08   
440-768 4 Willoughby OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2024-11-17   
440-768 5 Willoughby OH   624H ONVOY SPECTRUM, LLC 320   2024-05-22   
440-768 6 Willoughby OH   624H ONVOY SPECTRUM, LLC 320   2024-05-22   
440-768 7 Willoughby OH   464C ONVOY, LLC - OH 320   2022-12-15   
440-768 8 Willoughby OH   464C ONVOY, LLC - OH 320   2022-12-15   
440-768 9 Willoughby OH   7421 AT&T - LOCAL 320   2022-02-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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