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: 515

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-515 A Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-515 0 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-06   
281-515 1 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-06   
281-515 2 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2007-03-09   
281-515 3 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2006-12-11   
281-515 4 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-03-29   
281-515 5 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2008-02-04   
281-515 6 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2007-03-26   
281-515 7 Baytown TX HSTDTXBG9MD  6664 SPRINT SPECTRUM, L.P. 560   2007-03-07   
281-515 8 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2007-01-01   
281-515 9 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2007-10-07   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.