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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-279 A Spokane WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-279 0 Spokane WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-279 1 Spokane WA EWNCWA271MD  5562 METROPCS, INC. 676   2011-06-21   
509-279 2 Spokane WA SPKNWA01XCY  318J COMCAST IP PHONE, LLC 676   2005-10-28   
509-279 3 Spokane WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-06-04   
509-279 4 Spokane WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-07-21   
509-279 5 Spokane WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-07-21   
509-279 6 Spokane WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-279 7 Spokane WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-279 8 Spokane WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2005-09-25   
509-279 9 Spokane WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2005-09-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.