Local Calling Guide

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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-528 A Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 0 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   
617-528 1 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 2 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 3 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 4 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 5 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 6 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 7 Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-528 8 Cambridge MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-11-11   
617-528 9 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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