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.
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Switch: KSCYMO55X3X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-202 A Kansas City MO 6630 SPOK, INC. 524      
816-440 A Kansas City MO 6630 SPOK, INC. 524      
816-497 A Kansas City MO 6630 SPOK, INC. 524      
816-757 A Kansas City MO 6630 SPOK, INC. 524      
816-798 A Kansas City MO 6630 SPOK, INC. 524      
816-821 A Kansas City MO 6630 SPOK, INC. 524      
816-870 A Kansas City MO 6630 SPOK, INC. 524      
913-610 A Kansas City KS 6630 SPOK, INC. 524      
913-639 A Kansas City KS 6630 SPOK, INC. 524      
913-644 A Kansas City KS 6630 SPOK, INC. 524      
913-656 A Kansas City KS 6630 SPOK, INC. 524      
913-978 A Kansas City KS 6630 SPOK, INC. 524      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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