Local Calling Guide

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Region: MA

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-615 0 Milton MA   829J PAETEC ITEL, LLC 128   2002-10-13   
617-615 1 Milton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-10-05   
617-615 2 Milton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-10-05   
617-615 3 Milton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
617-615 4 Milton MA   829J PAETEC ITEL, LLC 128   2011-12-02   
617-615 5 Milton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2012-10-22   
617-615 6 Milton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-615 7 Milton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-06-01   
617-615 8 Milton MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-615 9 Milton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-616 A Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 0 Somerville MA BSTPMALLOMD  073H TELNYX LLC 128   2019-03-19   
617-616 1 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 2 Somerville MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2017-04-16   
617-616 3 Somerville MA   145J TERRA NOVA TELECOM INC. 128   2021-01-18   
617-616 4 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 5 Somerville MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-02-18   
617-616 6 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 7 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 8 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-616 9 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-03   
617-617 A Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 0 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 1 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 2 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 3 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 4 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 5 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 6 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 7 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 8 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-617 9 Boston MA   125L MASS MOBILE LLC 128   2025-05-12   
617-618 A Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 0 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 1 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 2 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 3 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-09-07   
617-618 4 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 5 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-11   
617-618 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-05-10   
617-618 7 Newton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
617-618 8 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-11   
617-618 9 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-619 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-620 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-621 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 0 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 1 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 2 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 3 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 4 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-18   
617-621 5 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 6 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 7 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 8 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 9 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-622 A South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 0 South Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 1 South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 2 South Boston MA   892D ONVOY, LLC - MA 128      
617-622 3 South Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-622 4 South Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-622 5 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-622 6 South Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-622 7 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-622 8 South Boston MA   892D ONVOY, LLC - MA 128      
617-622 9 South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-623 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-624 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-625 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-626 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-627 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-628 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-629 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-630 A Newton MA NWTNMAWARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-631 A Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 0 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-01   
617-631 1 Newton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-11   
617-631 2 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-01   
617-631 3 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-12-01   
617-631 4 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
617-631 5 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
617-631 6 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
617-631 7 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
617-631 8 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-06-15   
617-631 9 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-06-15   
617-632 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-633 A Waltham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-634 A East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 0 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
617-634 1 East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 2 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-09-01   
617-634 3 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
617-634 4 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-09-01   
617-634 5 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
617-634 6 East Boston MA   145J TERRA NOVA TELECOM INC. 128   2023-08-06   
617-634 7 East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 8 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
617-634 9 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-05-02   
617-635 A Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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