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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 385 [Rate centres in NPA 385] [Dial plan for NPA 385]

NXX: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-599 A Payson UT   871E ONVOY, LLC - UT 660   2025-05-09   
385-599 0 Payson UT   871E ONVOY, LLC - UT 660   2025-05-09   
385-599 1 Payson UT   871E ONVOY, LLC - UT 660   2025-05-12   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.