Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 719 [Rate centres in NPA 719] [Dial plan for NPA 719]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-483 A Trinidad CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658      
719-483 0 Trinidad CO   939H COMMIO, LLC 658   2022-07-29   
719-483 1 Trinidad CO   026D ONVOY, LLC - CO 658   2023-07-23   
719-483 2 Trinidad CO   026D ONVOY, LLC - CO 658   2023-10-14   
719-483 3 Trinidad CO   5562 METROPCS, INC. 658   2022-07-28   
719-483 4 Trinidad CO   026D ONVOY, LLC - CO 658   2023-03-03   
719-483 5 Trinidad CO   318J COMCAST IP PHONE, LLC 658   2022-07-25   
719-483 6 Trinidad CO   026D ONVOY, LLC - CO 658   2023-03-02   
719-483 7 Trinidad CO   5562 METROPCS, INC. 658   2022-07-28   
719-483 8 Trinidad CO   6529 T-MOBILE USA, INC. 658   2022-09-09   
719-483 9 Trinidad CO   6529 T-MOBILE USA, INC. 658   2022-09-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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