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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-674 A Cambridge MA CHTWMABF0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-674 0 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 1 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 2 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 3 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 4 Cambridge MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-674 5 Cambridge MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-674 6 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 7 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-674 8 Cambridge MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-674 9 Cambridge MA CHTWMABF0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      

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

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