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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-599 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-599 0 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-08-10   
617-599 1 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-599 2 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-17   
617-599 3 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-09-07   
617-599 4 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-11-02   
617-599 5 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-06-28   
617-599 6 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-11-02   
617-599 7 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-12-18   
617-599 8 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-08-10   
617-599 9 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-09-15   

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

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