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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-990 A Troy TX   515J IP HORIZON LLC 556   2025-04-03   
254-990 0 Troy TX   145J TERRA NOVA TELECOM INC. 556   2025-04-15   
254-990 1 Troy TX   515J IP HORIZON LLC 556   2025-04-03   
254-990 2 Troy TX   515J IP HORIZON LLC 556   2025-04-03   

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

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