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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-506 A Dorchester MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-506 0 Dorchester MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-506 1 Dorchester MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-506 2 Dorchester MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-506 3 Dorchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-506 4 Dorchester MA DRCHMAADDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-506 5 Dorchester MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-506 6 Dorchester MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-506 7 Dorchester MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-506 8 Dorchester MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-506 9 Dorchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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