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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-574 A Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 0 Chickasha OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
405-574 1 Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 2 Chickasha OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 3 Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 4 Chickasha OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 5 Chickasha OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 6 Chickasha OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 7 Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 8 Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 9 Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.