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: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-218 A Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-218 0 Wheaton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-17   
331-218 1 Wheaton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-17   
331-218 2 Wheaton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-17   
331-218 3 Wheaton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-17   
331-218 4 Wheaton IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2014-04-03   
331-218 5 Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2014-02-21   
331-218 6 Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2014-02-21   
331-218 7 Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2014-02-21   
331-218 8 Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2013-09-07   
331-218 9 Wheaton IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2013-09-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.