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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-347 A Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566      
830-347 0 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566   2021-10-18   
830-347 1 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566   2021-10-18   
830-347 2 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566   2021-10-18   
830-347 3 Marble Falls TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2021-11-29   
830-347 4 Marble Falls TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2022-01-27   
830-347 5 Marble Falls TX FRBGTXXAUMD  5562 METROPCS, INC. 566   2022-04-21   
830-347 6 Marble Falls TX FRBGTXXARMD  624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-347 7 Marble Falls TX FRBGTXXARMD  624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-347 8 Marble Falls TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2021-11-28   
830-347 9 Marble Falls TX FRBGTXXAUMD  6529 T-MOBILE USA, INC. 566   2021-10-18   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.