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: 325 [Rate centres in NPA 325] [Dial plan for NPA 325]

NXX: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-385 A Zephyr TX   515J IP HORIZON LLC 961   2025-04-07   
325-385 1 Zephyr TX   515J IP HORIZON LLC 961   2025-04-07   
325-385 2 Zephyr TX   515J IP HORIZON LLC 961   2025-04-07   

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

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