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.

Switch: KSCAMO961MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-312 A Knobnoster MO 508J CENTURYLINK COMMUNICATIONS, LLC 524      
816-306 A Maysville MO 508J CENTURYLINK COMMUNICATIONS, LLC 524      
816-707 A Union Star MO 508J CENTURYLINK COMMUNICATIONS, LLC 524      
816-849 A Ferrelview MO 508J CENTURYLINK COMMUNICATIONS, LLC 524      
913-215 A Gardner KS 508J CENTURYLINK COMMUNICATIONS, LLC 524      
913-243 A McLouth KS 508J CENTURYLINK COMMUNICATIONS, LLC 524      
913-274 A Olathe KS 508J CENTURYLINK COMMUNICATIONS, LLC 524      
913-803 A Nortonville KS 508J CENTURYLINK COMMUNICATIONS, LLC 524      

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

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