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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-570 A Winchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-570 1 Winchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-570 2 Winchester MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-07-06   
781-570 3 Winchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-13   
781-570 4 Winchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-01   
781-570 5 Winchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-05   
781-570 6 Winchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-570 7 Winchester MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-09-30   
781-570 8 Winchester MA   829J PAETEC ITEL, LLC 128   2006-08-08   
781-570 9 Winchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.