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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-238 A Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 0 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 1 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 2 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 3 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 4 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 5 Richmond-Rosenberg EMS TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-238 6 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 7 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 8 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      
281-238 9 Richmond-Rosenberg EMS TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.