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
617-391 4 Boston MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2009-04-01   
617-391 5 Boston MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2008-07-03   
617-391 6 Boston MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2008-07-03   
617-391 7 Boston MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-07-18   
617-391 8 Boston MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-07-18   
617-391 9 Boston MA CHTWMABFDS2  966C DSCI, LLC 128   2008-07-18   
617-392 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-393 A Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 0 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 1 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 2 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 3 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 4 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 5 Watertown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-393 6 Watertown MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2005-06-21   
617-393 7 Watertown MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2005-06-21   
617-393 8 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-393 9 Watertown MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-394 A Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 0 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 1 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-25   
617-394 2 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 3 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 4 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 5 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 6 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 7 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-394 8 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-01   
617-394 9 Everett MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-395 A Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2021-01-05   
617-396 A Brookline MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-396 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-10-06   
617-396 1 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-18   
617-396 2 Brookline MA FRMNMAWARMD  7421 AT&T LOCAL 128   2002-11-02   
617-396 3 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-396 4 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
617-396 5 Brookline MA CHTWMABFDS2  966C DSCI, LLC 128   2005-04-10   
617-396 6 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-01   
617-396 7 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-11-15   
617-396 8 Brookline MA   318J COMCAST IP PHONE LLC 128   2012-09-19   
617-396 9 Brookline MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-397 A Cambridge MA FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-397 0 Cambridge MA FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-397 1 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2021-02-23   
617-397 2 Cambridge MA FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-397 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-06   
617-397 4 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-06   
617-397 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-06   
617-397 6 Cambridge MA FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-397 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-06   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.