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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-409 A Chelsea MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-409 0 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-409 1 Chelsea MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-409 2 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-409 3 Chelsea MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-409 4 Chelsea MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-409 5 Chelsea MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-409 6 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-409 7 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-409 8 Chelsea MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128      
617-409 9 Chelsea MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      

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

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