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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-719 A Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-719 0 Jamaica Plain MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
857-719 1 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 2 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 3 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 4 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 5 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 6 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 7 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 8 Jamaica Plain MA   5562 METROPCS, INC. 128      
857-719 9 Jamaica Plain MA   5562 METROPCS, INC. 128      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.