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: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-565 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-01-12   
857-565 0 Brookline MA   892D ONVOY, LLC - MA 128      
857-565 1 Brookline MA   939H COMMIO, LLC 128      
857-565 2 Brookline MA   939H COMMIO, LLC 128      
857-565 3 Brookline MA   892D ONVOY, LLC - MA 128      
857-565 4 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-565 5 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-565 6 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-565 7 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-565 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-565 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.