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: OKCBOKYCDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-242 A Britton OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      
405-242 0 Britton OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      
405-242 1 Britton OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      
405-471 8 Edmond OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      
405-628 0 Oklahoma City OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      
405-628 1 Oklahoma City OK 390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536      

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

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