Local Calling Guide

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

NXX: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-530 A Waltham MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-530 0 Waltham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-02-10   
781-530 1 Waltham MA   7135 TC SYSTEMS, INC. 128      
781-530 2 Waltham MA   7135 TC SYSTEMS, INC. 128      
781-530 3 Waltham MA   7135 TC SYSTEMS, INC. 128      
781-530 4 Waltham MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-11-15   
781-530 5 Waltham MA   7135 TC SYSTEMS, INC. 128      
781-530 6 Waltham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-11-04   
781-530 7 Waltham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-11-04   
781-530 8 Waltham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-02-10   
781-530 9 Waltham MA   7135 TC SYSTEMS, INC. 128      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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