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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-409 A St Jo TX DCTRTXXARMD  506J TWILIO INTERNATIONAL, INC. 552   2025-01-11   
940-409 0 St Jo TX DCTRTXXATMD  903C ONVOY, LLC - TX 552   2023-07-24   
940-409 4 St Jo TX DCTRTXXATMD  903C ONVOY, LLC - TX 552   2023-02-20   
940-409 5 St Jo TX DCTRTXXARMD  506J TWILIO INTERNATIONAL, INC. 552   2025-01-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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