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: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 219

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-219 A Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 0 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 1 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 2 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 3 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 4 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 5 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 7 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 8 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-219 9 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.