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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-521 A Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-521 0 Killeen TX KLLNTXBI9MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2023-12-02   
254-521 1 Killeen TX KLLNTXBI9MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2023-12-02   
254-521 2 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 3 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 4 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 5 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 6 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 7 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 8 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   
254-521 9 Killeen TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-10-29   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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