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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-446 A Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 0 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 1 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 2 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 3 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-19   
617-446 4 Dorchester MA   966G LOCAL ACCESS LLC - MA 128   2013-09-01   
617-446 5 Dorchester MA   892D ONVOY, LLC - MA 128   2010-04-07   
617-446 6 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 7 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 8 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-446 9 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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