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: YNTWOHHD5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-254 A Warren OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-380 A Youngstown OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-381 A Lisbon (Columbiana) OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-404 A Youngstown OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-444 A Salem OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-613 A Youngstown OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-640 A Youngstown OH 6630 USA MOBILITY WIRELESS, INC. 322      
330-820 A Youngstown OH 6630 USA MOBILITY WIRELESS, INC. 322      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.