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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-542 A Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 0 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 1 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 2 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 3 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 4 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 5 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676   2005-11-14   
509-542 6 Pasco WA KNWCWAXASMD  5562 METROPCS, INC. 676   2017-11-10   
509-542 7 Pasco WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2010-11-21   
509-542 8 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      
509-542 9 Pasco WA PASCWA01DS0  9638 QWEST CORPORATION 676      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.