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
617-533 A Dorchester MA DRCHMAADDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-533 0 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 1 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 2 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 3 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 4 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 5 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 6 Dorchester MA   9102 VERIZON NEW ENGLAND INC. 128      
617-533 7 Dorchester MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-11-14   
617-533 8 Dorchester MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-11-14   
617-533 9 Dorchester MA   966C DSCI, LLC 128   2012-01-20   

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

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