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 83 84 85 86 87 88 89 90 91 92 93 94 95 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-670 A Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 0 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 1 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 2 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 3 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 4 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 5 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 6 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 7 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-670 8 Boston MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2006-07-13   
617-670 9 Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-671 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-671 0 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-07   
617-671 1 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-07   
617-671 2 Boston MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128   2005-03-24   
617-671 3 Boston MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128   2005-03-24   
617-671 4 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-03-28   
617-671 5 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-02-04   
617-671 6 Boston MA   145J TERRA NOVA TELECOM INC. 128   2024-05-09   
617-671 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-01-02   
617-671 8 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-02-04   
617-671 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-02-04   
617-672 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-672 0 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 1 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 2 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 3 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 4 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 5 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 6 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 7 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 8 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-672 9 Boston MA   7135 TC SYSTEMS, INC. 128   2008-06-29   
617-673 A Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 0 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 1 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 2 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 3 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 4 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 5 Watertown MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2008-02-12   
617-673 6 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 7 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 8 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-673 9 Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-674 A Cambridge MA CHTWMABF0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-674 0 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
617-674 1 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
617-674 2 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-07-04   
617-674 3 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-08-05   
617-674 4 Cambridge MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-02-17   

<< 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 83 84 85 86 87 88 89 90 91 92 93 94 95 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.