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.

Pullman, WA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-715 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2018-10-26   
509-715 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 960   2020-08-21   
509-715 5   5562 METROPCS, INC. 960   2017-04-16   
509-715 6   483E ONVOY, LLC - WA 960   2019-07-26   
509-715 7   6010 NEW CINGULAR WIRELESS PCS, LLC 960   2011-09-06   
509-715 8   6529 T-MOBILE USA, INC. 960   2018-08-31   
509-715 9   6010 NEW CINGULAR WIRELESS PCS, LLC 960   2008-04-17   

<< 1 2

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.