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: 485

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-485 A Molson WA MLSNWAXARS2  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-485 1 Molson WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-11-20   
509-485 2 Molson WA MLSNWAXARS2  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-485 3 Molson WA MLSNWAXARS2  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-485 4 Molson WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-01-14   
509-485 5 Molson WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-01-14   
509-485 7 Molson WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2007-04-20   
509-485 8 Molson WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-02-23   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.