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: 225 [Rate centres in NPA 225] [Dial plan for NPA 225]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-587 A Baton Rouge LA   824J OPENTACT INC. 492   2026-04-25   
225-587 3 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   
225-587 4 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   
225-587 5 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   
225-587 6 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   
225-587 7 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   
225-587 8 Baton Rouge LA   824J OPENTACT INC. 492   2026-04-25   
225-587 9 Baton Rouge LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 492   2026-07-11   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.