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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-725 A Richmond-Rosenberg TX RSBGTXRRDS0  9533 SOUTHWESTERN BELL 560   2006-04-06   
281-725 0 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-10-29   
281-725 1 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-10-29   
281-725 2 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-12-28   
281-725 3 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-12-28   
281-725 4 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-12-28   
281-725 5 Richmond-Rosenberg TX   9533 SOUTHWESTERN BELL 560   2006-04-06   
281-725 6 Richmond-Rosenberg TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-12-28   
281-725 7 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-04-25   
281-725 8 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-04-25   
281-725 9 Richmond-Rosenberg TX   139F WORLDCALL INTERCONNECT INC. 560   2008-12-13   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.