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: 8945 NA COMMUNICATIONS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-683 A Elizabethton TN ELTNTN01W00  956      
423-684 A Greeneville TN GRVLTN02W00  956      
423-685 A Johnson City TN JHCYTNXCW11  956      
423-695 A Erwin TN ERWNTNXAW00  956      
423-699 A Mountain City TN MTCYTN01W00  956      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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