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: WRRNOHXA8MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-984 5 Warren OH 6529 T-MOBILE USA, INC. 322   2005-04-16   
330-984 6 Warren OH 6529 T-MOBILE USA, INC. 322   2005-03-20   
330-984 7 Warren OH 6529 T-MOBILE USA, INC. 322   2005-02-28   
330-984 8 Warren OH 6529 T-MOBILE USA, INC. 322   2005-01-23   
330-984 9 Warren OH 6529 T-MOBILE USA, INC. 322   2004-10-28   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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