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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-223 9 Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-224 A Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-224 0 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-224 1 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-224 2 Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2003-04-08   
617-224 3 Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2003-04-08   
617-224 4 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-224 5 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-224 6 Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2003-05-28   
617-224 7 Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2003-05-28   
617-224 8 Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2003-05-28   
617-224 9 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2003-08-10   
617-225 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-226 A Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 0 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 1 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 2 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 3 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 4 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 5 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 6 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 7 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-11-25   
617-226 8 Boston MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-11-25   
617-226 9 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-227 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-228 A Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-229 A Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 0 Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 1 Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 2 Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 3 Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 4 Cambridge MA CMBRMAORDS1  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-229 5 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-08   
617-229 6 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-08   
617-229 7 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-08   
617-229 8 Cambridge MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2006-02-19   
617-229 9 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-24   
617-230 A Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-231 A Watertown MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-231 0 Watertown MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-231 1 Watertown MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-231 2 Watertown MA FRMNMAWARMD  7421 AT&T LOCAL 128   2002-07-09   
617-231 3 Watertown MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2005-02-24   
617-231 4 Watertown MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-231 6 Watertown MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-231 7 Watertown MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-16   
617-231 8 Watertown MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2010-12-03   
617-231 9 Watertown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-21   
617-232 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-233 A Cambridge MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      

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Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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