Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-306 A Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556      
254-306 0 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2017-06-04   
254-306 1 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2021-07-02   
254-306 2 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-30   
254-306 3 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-30   
254-306 4 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-12-18   
254-306 5 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-12-18   
254-306 6 Thornton TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-09-17   
254-306 7 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2021-03-15   
254-306 8 Thornton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2021-03-15   
254-306 9 Thornton TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556   2021-07-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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