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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-544 A Everett MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-544 0 Everett MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
617-544 1 Everett MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
617-544 2 Everett MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
617-544 3 Everett MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
617-544 4 Everett MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128   2002-05-18   
617-544 5 Everett MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
617-544 6 Everett MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-544 7 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-544 8 Everett MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-08-27   
617-544 9 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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