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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-621 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 0 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 1 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 2 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 3 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 4 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-621 5 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 6 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 7 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 8 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 9 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      

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

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