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: HITNOKXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-542 A Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 0 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 1 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 2 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 3 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 4 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 5 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 6 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 8 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      
405-542 9 Hinton OK 1995 HINTON TEL. CO. OF HINTON OK, INC. 536      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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