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   2008-02-01   
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   2008-01-29   
617-409 3 Chelsea MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-409 4 Chelsea MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128   2002-05-18   
617-409 5 Chelsea MA CHTWMABFDS2  966C DSCI, LLC 128   2006-11-27   
617-409 6 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-12   
617-409 7 Chelsea MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-12   
617-409 8 Chelsea MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2009-06-08   
617-409 9 Chelsea MA NWTNMAWAVMD  318J COMCAST IP PHONE LLC 128   2008-09-11   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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