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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-444 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-444 0 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 1 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 2 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 3 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 4 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 5 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 7 Cambridge MA   145J TERRA NOVA TELECOM INC. 128   2020-11-20   
617-444 8 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-444 9 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   

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

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