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
617-322 9 Milton MA   318J COMCAST IP PHONE LLC 128      
617-323 A Jamaica Plain MA WRXBMABEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-324 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-324 0 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 1 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 2 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 3 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 4 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 5 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 6 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 7 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 8 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-324 9 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-09-08   
617-325 A Jamaica Plain MA WRXBMABEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-326 A Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-326 0 Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-326 1 Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-326 2 Dorchester MA BSTNMABOPS0  019F FUSION COMMUNICATIONS, LLC 128   2010-03-15   
617-326 3 Dorchester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
617-326 4 Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-326 5 Dorchester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-06-16   
617-326 6 Dorchester MA   318J COMCAST IP PHONE LLC 128   2012-10-05   
617-326 7 Dorchester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-05   
617-326 8 Dorchester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
617-326 9 Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2005-07-22   
617-327 A Jamaica Plain MA WRXBMABEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-328 A Quincy MA QNCYMAHADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-329 A Winthrop MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-329 0 Winthrop MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-329 1 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-329 2 Winthrop MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-329 3 Winthrop MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-02-12   
617-329 4 Winthrop MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-06-16   
617-329 5 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
617-329 6 Winthrop MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2006-06-09   
617-329 7 Winthrop MA BSTNMABOPS0  019F FUSION COMMUNICATIONS, LLC 128   2010-03-15   
617-329 8 Winthrop MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-329 9 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-330 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-331 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-332 A Newton MA NWTNMAWARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 A Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 0 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 1 Hyde Park MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2020-11-20   
617-333 2 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 3 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 4 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 5 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 6 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-333 7 Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      

<< 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: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.