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.

OCN: 669B BTC BROADBAND, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
405-871 A Oklahoma City OK OKCYOKCEXPZ  536      
405-871 1 Oklahoma City OK OKCYOKCEXPZ  536   2020-03-09   
539-286 6 Okmulgee OK BXBYOKXBDS1  538   2024-05-11   
580-354 2 Lawton OK OKCYOKCEXPZ  536   2020-07-17   
580-547 1 Clinton OK OKCYOKCEXPZ  536   2020-07-17   
580-643 1 Altus OK OKCYOKCEXPZ  536   2020-07-17   
580-701 1 Enid OK OKCYOKCEXPZ  536   2020-07-17   
580-826 1 Ardmore OK OKCYOKCEXPZ  536   2020-07-17   
580-853 1 Durant OK OKCYOKCEXPZ  536   2020-07-17   
918-214 8 Bartlesville OK BXBYOKXBDS1  538   2011-06-10   
918-601 1 Nowata OK BXBYOKXBDS1  538   2011-07-21   
918-604 4 Pawhuska OK BXBYOKXBDS1  538   2011-07-21   
918-718 8 Tahlequah OK BXBYOKXBDS1  538   2012-03-18   
918-736 A Haskell OK BXBYOKXBDS1  538      
918-736 0 Haskell OK BXBYOKXBDS1  538   2009-06-20   
918-782 5 Ketchum OK BXBYOKXBDS1  538   2012-06-08   
918-802 A Ramona OK BXBYOKXBDS1  538      
918-893 0 Broken Arrow OK BXBYOKXBDS1  538   2009-05-06   
918-938 A Tulsa OK BXBYOKXBDS1  538      
918-938 0 Tulsa OK BXBYOKXBDS1  538   2006-05-19   
918-944 7 Vinita OK BXBYOKXBDS1  538   2015-05-03   
918-997 A Muskogee OK BXBYOKXBDS1  538      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.