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.

Switch: OKCYOKCERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-971 A Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 0 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 1 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 2 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 3 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 5 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 6 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 7 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 8 Oklahoma City OK 9533 SOUTHWESTERN BELL 536      
405-971 9 Oklahoma City OK 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.