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 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-616 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-02-18   
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   2010-04-07   
617-616 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-03   
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   2008-03-17   
617-684 4   145J TERRA NOVA TELECOM INC. 128   2022-05-05   
617-684 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-11-15   
617-684 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-03   
617-684 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2018-05-19   
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   2021-01-03   
617-702 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-702 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
617-702 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-03   
617-702 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-06-13   
617-702 5 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-11-26   
617-702 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-08-11   
617-702 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
617-702 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-04-27   
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   2008-11-17   
617-718 4 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-11-16   
617-718 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-02-23   
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   2021-04-06   
617-741 1 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-741 2 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
617-741 3 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2021-02-21   
617-741 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

<< 1 2 3 4 5 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.