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: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-289 A Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-289 0 Biloxi MS   939H COMMIO, LLC 484   2024-02-24   
228-289 1 Biloxi MS   939H COMMIO, LLC 484   2024-02-24   
228-289 2 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2023-10-13   
228-289 3 Biloxi MS   939H COMMIO, LLC 484   2024-02-24   
228-289 4 Biloxi MS   719E ONVOY, LLC - MS 484   2024-02-26   
228-289 5 Biloxi MS   719E ONVOY, LLC - MS 484   2024-02-26   
228-289 6 Biloxi MS   719E ONVOY, LLC - MS 484   2024-02-26   
228-289 7 Biloxi MS   719E ONVOY, LLC - MS 484   2024-02-26   
228-289 8 Biloxi MS BILXMSMR5MD  732J NUSO, LLC 484   2023-12-31   
228-289 9 Biloxi MS BILXMSMR5MD  732J NUSO, LLC 484   2023-12-31   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.