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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-930 A Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 0 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 1 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 2 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 3 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 4 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 5 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-930 6 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-930 7 Deer Park TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-930 8 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 9 Deer Park TX HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.