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: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-222 A Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-222 0 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 1 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 2 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 3 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 4 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 5 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 6 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 7 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-222 8 Chickasha OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-222 9 Chickasha OK   9533 SOUTHWESTERN BELL 536      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.