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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-333 A Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 0 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      
617-333 1 Hyde Park MA   624H ONVOY SPECTRUM, LLC 128   2022-02-20   
617-333 2 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      
617-333 3 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      
617-333 4 Hyde Park MA   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
617-333 5 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      
617-333 6 Hyde Park MA   145J TERRA NOVA TELECOM INC. 128   2022-11-02   
617-333 7 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      
617-333 8 Hyde Park MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-12-06   
617-333 9 Hyde Park MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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