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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-381 A Rock Rapids IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      
712-381 0 Rock Rapids IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      
712-381 3 Rock Rapids IA SXCYIA78XDX  5562 METROPCS, INC. 630      
712-381 7 Rock Rapids IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630      
712-381 8 Rock Rapids IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      
712-381 9 Rock Rapids IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.