Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-284 6 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-07-25   
617-284 7 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 8 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 9 Somerville MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2002-07-15   
617-285 A Saugus MA BLRCMAGZDS0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-286 A Charlestown MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 0 Charlestown MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 1 Charlestown MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 2 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-01   
617-286 3 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-286 4 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-02   
617-286 5 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-02-21   
617-286 6 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-04-10   
617-286 7 Charlestown MA   318J COMCAST IP PHONE LLC 128   2013-10-12   
617-286 8 Charlestown MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
617-286 9 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-12-10   
617-287 A Dorchester MA DRCHMAADDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-288 A Dorchester MA DRCHMAADDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-289 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-290 A Cambridge MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      
617-291 A Milton MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-292 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-293 A Boston MA WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      
617-294 A Everett MA CHFRMAAHPS2  6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
617-294 0 Everett MA   318J COMCAST IP PHONE LLC 128      
617-294 1 Everett MA   318J COMCAST IP PHONE LLC 128      
617-294 2 Everett MA   318J COMCAST IP PHONE LLC 128      
617-294 3 Everett MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
617-294 4 Everett MA   318J COMCAST IP PHONE LLC 128   2010-09-12   
617-294 5 Everett MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
617-294 6 Everett MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2009-01-31   
617-294 7 Everett MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-02   
617-294 8 Everett MA   318J COMCAST IP PHONE LLC 128   2013-06-29   
617-294 9 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-295 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 0 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 1 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 2 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 3 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 4 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 5 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 6 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 7 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-08-09   
617-295 8 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-295 9 Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-296 A Milton MA MLTNMAADDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-297 A Dorchester MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-297 0 Dorchester MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-297 1 Dorchester MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-04-25   
617-297 2 Dorchester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.