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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-474 A Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 0 Spokane WA SPKNWA01XCY  318J COMCAST IP PHONE, LLC 676      
509-474 1 Spokane WA SPKNWA01XCY  318J COMCAST IP PHONE, LLC 676      
509-474 2 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 3 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 4 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 5 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 6 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 7 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 8 Spokane WA SPKNWA01DS1  9638 QWEST CORPORATION 676      
509-474 9 Spokane WA SPKNWA01XCY  318J COMCAST IP PHONE, LLC 676      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.