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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-678 A Chico TX DLLSTX97X5X  965H FRACTEL, LLC 552      
940-678 2 Chico TX   624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-678 3 Chico TX   624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-678 4 Chico TX   145J TERRA NOVA TELECOM INC. 552   2025-08-11   
940-678 5 Chico TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2021-12-20   
940-678 7 Chico TX   624H ONVOY SPECTRUM, LLC 552   2021-07-08   
940-678 8 Chico TX   965H FRACTEL, LLC 552   2020-08-30   
940-678 9 Chico TX   965H FRACTEL, LLC 552   2020-08-30   

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

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