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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-422 A Marlin TX WACOTXABOMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 556      
254-422 0 Marlin TX   145J TERRA NOVA TELECOM INC. 556   2022-05-05   
254-422 1 Marlin TX   073H TELNYX LLC 556   2019-02-07   
254-422 2 Marlin TX   939H COMMIO, LLC 556   2022-11-12   
254-422 3 Marlin TX   145J TERRA NOVA TELECOM INC. 556   2022-12-17   
254-422 4 Marlin TX   6529 T-MOBILE USA, INC. 556   2021-09-21   
254-422 5 Marlin TX   6529 T-MOBILE USA, INC. 556   2021-09-21   
254-422 6 Marlin TX   6529 T-MOBILE USA, INC. 556   2021-09-21   
254-422 7 Marlin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 556   2009-01-19   
254-422 8 Marlin TX   515J IP HORIZON LLC 556   2021-06-05   
254-422 9 Marlin TX   6529 T-MOBILE USA, INC. 556   2021-09-21   

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

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