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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-407 A Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 1 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 2 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 3 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 4 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 5 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 6 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 7 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      
816-407 8 Liberty MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524      
816-407 9 Liberty MO KSCYMO42DS0  9533 SOUTHWESTERN BELL 524      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.