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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-440 A Somerville MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 0 Somerville MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-440 1 Somerville MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 2 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-440 3 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 4 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 5 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 6 Somerville MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 7 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 8 Somerville MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-440 9 Somerville MA BSTPMALLOMD  073H TELNYX LLC 128      

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

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