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: 245

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-245 A Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 0 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 1 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 2 Brookline MA   316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 3 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 4 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 5 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-245 6 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-245 7 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-245 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-245 9 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.