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: DLTNOH82RS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-828 A Dalton OH 9321 OHIO BELL TEL CO 325      
330-828 0 Dalton OH 9321 OHIO BELL TEL CO 325      
330-828 2 Dalton OH 9321 OHIO BELL TEL CO 325      
330-828 3 Dalton OH 9321 OHIO BELL TEL CO 325      
330-828 8 Dalton OH 9321 OHIO BELL TEL CO 325      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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