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: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-251 A Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 0 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 1 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 2 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 3 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 4 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 5 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524   2002-07-10   
816-251 6 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 7 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 8 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      
816-251 9 Lees Summit MO KSCYMO41DS0  9533 SOUTHWESTERN BELL 524      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.