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.

Somerville, MA

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-284 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-284 1 CMBRMABEX9Y  0334 METROPOLITAN TELECOMMUNICATIONS OF MASS DBA METTEL 128      
617-284 2 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-284 3 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-284 4 SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
617-284 5 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-284 6 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-284 7 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 8 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 9 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-440 A CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 0 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-440 1 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-440 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 6 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-440 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-440 8 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-440 9 BSTPMALLOMD  073H TELNYX LLC 128      
617-501 A   5562 METROPCS, INC. 128      
617-501 0 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 9   5562 METROPCS, INC. 128      
617-591 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 0 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 1 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 2 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 3 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 4 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-591 6 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 7 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 8 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-591 9 SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-616 A CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 0 BSTPMALLOMD  073H TELNYX LLC 128      
617-616 1 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 2 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-616 3   145J TERRA NOVA TELECOM INC. 128      
617-616 4 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-616 6 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 7 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-616 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-623 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-625 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-627 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-628 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-629 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-666 A SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-684 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-684 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-684 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-684 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-684 3 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-684 4   145J TERRA NOVA TELECOM INC. 128      
617-684 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-684 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-684 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
617-684 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-684 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-702 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-702 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-702 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-702 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-702 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-702 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-702 5 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-702 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-702 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
617-702 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
617-702 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-718 A STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 0 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 1 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 2 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 3 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-718 4 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-718 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-718 6 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 7 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 8 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-718 9 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-741 A BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-741 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-741 1 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-741 2 CMBRMABEQMD  321J HD CARRIER LLC 128      
617-741 3 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
617-741 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

1 2 3 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.