Local Calling Guide

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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   5562 METROPCS, INC. 128      
781-570 2 Winchester MA   318J COMCAST IP PHONE, LLC 128   2006-07-06   
781-570 3 Winchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-13   
781-570 4 Winchester MA   892D ONVOY, LLC - MA 128   2016-02-01   
781-570 5 Winchester MA   892D ONVOY, LLC - MA 128   2012-03-05   
781-570 6 Winchester MA   5562 METROPCS, INC. 128      
781-570 7 Winchester MA   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   5562 METROPCS, INC. 128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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