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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-201 A Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
617-201 0 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 1 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 2 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 3 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 4 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 5 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 6 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 7 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 8 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-201 9 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-202 A Brighton MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-202 0 Brighton MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-202 1 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-202 2 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-202 3 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-202 4 Brighton MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-202 5 Brighton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-202 6 Brighton MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-202 7 Brighton MA   624H ONVOY SPECTRUM, LLC 128      
617-202 8 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-202 9 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-203 A Everett MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 0 Everett MA   145J TERRA NOVA TELECOM INC. 128      
617-203 1 Everett MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 2 Everett MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 3 Everett MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-203 4 Everett MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 5 Everett MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-203 6 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-203 7 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-203 8 Everett MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-203 9 Everett MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-204 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-205 A Boston MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
617-206 A Brighton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-206 0 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-206 1 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-206 2 Brighton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-206 3 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-206 4 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-206 5 Brighton MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-206 6 Brighton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-206 7 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-206 8 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-206 9 Brighton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-207 A Winthrop MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-207 0 Winthrop MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
617-207 1 Winthrop MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-207 2 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-207 3 Winthrop MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-207 4 Winthrop MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-207 5 Winthrop MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-207 6 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-207 7 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-207 8 Winthrop MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
617-207 9 Winthrop MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-208 A Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 0 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 1 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 2 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 3 Brighton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-208 4 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-208 5 Brighton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-208 6 Brighton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-208 7 Brighton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-208 8 Brighton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-208 9 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-209 A Belmont MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 0 Belmont MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 1 Belmont MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-209 2 Belmont MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-209 3 Belmont MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-209 4 Belmont MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-209 5 Belmont MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-209 6 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-209 7 Belmont MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-209 8 Belmont MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 9 Belmont MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-210 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 0 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 1 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 2 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-210 3 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-210 4 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 5 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 6 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 7 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 8 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 9 Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-212 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
617-212 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 2 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 3 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 4 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 5 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.