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: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-287 A Farmington WA FRTNWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-287 1 Farmington WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-287 2 Farmington WA FRTNWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-287 3 Farmington WA SPKNWA01XBY  663D ELTOPIA COMMUNICATIONS, LLC - WA 676      
509-287 4 Farmington WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-287 6 Farmington WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676      
509-287 7 Farmington WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-287 8 Farmington WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.