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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-540 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-540 1 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-06   
617-540 2 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-06   
617-540 3 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-540 4 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-06   
617-540 6 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-540 7 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-540 8 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-540 9 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      

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

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