Local Calling Guide

Area code/prefix search

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

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-521 A Saugus MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-521 0 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2002-12-09   
781-521 1 Saugus MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-521 2 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2003-10-26   
781-521 3 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2005-02-11   
781-521 4 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2004-06-04   
781-521 5 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2004-06-04   
781-521 6 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2006-09-22   
781-521 7 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2006-12-04   
781-521 8 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2008-01-12   
781-521 9 Saugus MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2002-12-09   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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