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.

NPA: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-307 A Warren OH   6529 T-MOBILE USA, INC. 322      
330-307 0 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322   2004-04-23   
330-307 1 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 2 Warren OH   6529 T-MOBILE USA, INC. 322   2004-04-09   
330-307 3 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 4 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 5 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 6 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 7 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 8 Warren OH WRRNOHXA8MD  6529 T-MOBILE USA, INC. 322      
330-307 9 Warren OH   6529 T-MOBILE USA, INC. 322      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.