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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-746 A Brookline MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
857-746 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-746 1 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-746 2 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-746 3 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-746 4 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-746 5 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-746 6 Brookline MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-746 7 Brookline MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
857-746 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-746 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.