Local Calling Guide

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

NXX: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-491 A Woburn MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-491 0 Woburn MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-491 1 Woburn MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-491 2 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2013-11-07   
781-491 3 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2013-12-27   
781-491 4 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-07-07   
781-491 5 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-03-20   
781-491 6 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-10-24   
781-491 7 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-07-09   
781-491 8 Woburn MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-491 9 Woburn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-12-28   

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

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