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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-385 A Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 0 Marble Falls TX FRBGTXXAUMD  5562 METROPCS, INC. 566   2007-12-10   
830-385 1 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 2 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 3 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 4 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 5 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 6 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-385 8 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566   2006-09-08   
830-385 9 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.