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.

Cambridge, MA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-802 2 CMBSMA013MD  428H AIRUS, INC. - MA 128      
617-802 3 CMBSMA013MD  428H AIRUS, INC. - MA 128      
617-802 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-802 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-802 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-802 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-802 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-802 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-803 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-806 A CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 0   145J TERRA NOVA TELECOM INC. 128      
617-806 1 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 2 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 3 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 4 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 5 BSTPMALLBMD  814J LIGHTPATH OF NEW ENGLAND 128      
617-806 6 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-806 7 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 8 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 9 CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-812 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-821 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-821 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-836 A FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
617-844 A CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-852 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-864 A CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-866 A CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-866 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-866 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-866 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-866 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-866 4 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-866 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-866 6 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-866 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-866 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-866 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-868 A CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-871 A CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-871 1 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 2 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 3 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-871 4 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-871 5 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-871 6 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 7 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-871 8 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-871 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-873 A CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-876 A CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-899 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-902 A CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-902 1 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 2 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 3 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 4 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 5 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 6 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 7 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-902 8 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-902 9 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-909 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-914 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-920 A XXXXXXXXXXX  9102 VERIZON NEW ENGLAND INC. 128      
617-945 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 0 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 1 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 2 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-945 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-945 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-945 7 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-945 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-945 9 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-949 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 0 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-949 1 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-949 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 6 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-949 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 9 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-955 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-955 0 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

<< 1 2 3 4 5 6 7 8 9 10 11 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.