Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-992 A Reagan TX   515J IP HORIZON LLC 556   2025-04-03   
254-992 1 Reagan TX   515J IP HORIZON LLC 556   2025-04-03   
254-992 2 Reagan TX   515J IP HORIZON LLC 556   2025-04-03   
254-992 9 Reagan TX   145J TERRA NOVA TELECOM INC. 556   2025-04-18   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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