Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-453 A Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-453 0 Cambridge MA   966G LOCAL ACCESS LLC - MA 128      
617-453 1 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2002-11-03   
617-453 2 Cambridge MA   966G LOCAL ACCESS LLC - MA 128      
617-453 3 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-453 4 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-453 5 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2003-06-18   
617-453 6 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2008-02-21   
617-453 7 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2008-02-21   
617-453 8 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-19   
617-453 9 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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