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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-416 A Pasco WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-416 0 Pasco WA   483E ONVOY, LLC - WA 676   2006-07-09   
509-416 1 Pasco WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 676   2009-11-13   
509-416 2 Pasco WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2006-11-05   
509-416 3 Pasco WA   5562 METROPCS, INC. 676   2017-07-24   
509-416 4 Pasco WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2007-04-05   
509-416 5 Pasco WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2007-08-01   
509-416 6 Pasco WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2009-01-30   
509-416 7 Pasco WA   9638 QWEST CORPORATION 676   2009-07-09   
509-416 8 Pasco WA   9638 QWEST CORPORATION 676   2009-07-09   
509-416 9 Pasco WA   483E ONVOY, LLC - WA 676   2008-03-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.