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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-400 A Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 0 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 1 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 2 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 3 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 4 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 5 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 6 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 7 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 8 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-400 9 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.