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: 560

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-560 A Seguin EMS TX SGINTXMQRS0  9533 SOUTHWESTERN BELL 566      
830-560 0 Seguin EMS TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-560 1 Seguin EMS TX SGINTXMQRS0  9533 SOUTHWESTERN BELL 566      
830-560 2 Seguin EMS TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566      
830-560 3 Seguin EMS TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-560 4 Seguin EMS TX SGINTXMQRS0  9533 SOUTHWESTERN BELL 566      
830-560 5 Seguin EMS TX SGINTXMQRS0  9533 SOUTHWESTERN BELL 566      
830-560 6 Seguin EMS TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-560 7 Seguin EMS TX SGINTXMQRS0  9533 SOUTHWESTERN BELL 566      
830-560 8 Seguin EMS TX   829J PAETEC ITEL, LLC 566      
830-560 9 Seguin EMS TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.