Local Calling Guide

Area code/prefix search

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

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-510 A Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 0 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 1 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 2 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 3 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 4 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-01-31   
781-510 5 Randolph MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-01   
781-510 6 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 7 Randolph MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
781-510 8 Randolph MA   515J IP HORIZON LLC 128   2015-03-26   
781-510 9 Randolph MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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