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: DGHROKXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-993 A Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 1 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 2 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 3 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 4 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 5 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 6 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 7 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 8 Dougherty OK 1980 CHICKASAW TEL. CO. 536      
580-993 9 Dougherty OK 1980 CHICKASAW TEL. CO. 536      

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

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