Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-551 A Chillicothe TX WCFLTXNIXLX  624H ONVOY SPECTRUM, LLC 548   2024-06-07   
940-551 0 Chillicothe TX WCFLTXNIXLX  624H ONVOY SPECTRUM, LLC 548   2024-06-07   
940-551 2 Chillicothe TX   515J IP HORIZON LLC 548   2025-05-04   
940-551 3 Chillicothe TX   515J IP HORIZON LLC 548   2025-05-04   

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

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