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.

Mansfield, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-261 A MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 0 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 1 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 2 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 3 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-01   
508-261 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-06-01   
508-261 6 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 7 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 8 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-261 9 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-337 A MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-339 A MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-369 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-369 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-02-15   
508-369 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-406 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-406 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-05-22   
508-406 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-01-23   
508-406 2   829J PAETEC ITEL, LLC 128   2004-12-23   
508-406 3 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-406 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-09-28   
508-406 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-406 6 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-406 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-24   
508-406 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-07-23   
508-406 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-24   
508-452 A   829J PAETEC ITEL, LLC 128      
508-452 0   829J PAETEC ITEL, LLC 128      
508-452 1   829J PAETEC ITEL, LLC 128      
508-452 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-452 3   829J PAETEC ITEL, LLC 128      
508-452 4   829J PAETEC ITEL, LLC 128      
508-452 5   145J TERRA NOVA TELECOM INC. 128   2022-04-22   
508-452 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
508-452 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-07-01   
508-594 A WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-594 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-08-01   
508-594 1 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-594 2 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-594 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-594 4 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-594 6 LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2007-02-27   
508-594 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
508-594 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-05-10   
508-594 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-01-29   
508-618 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
508-618 2   829J PAETEC ITEL, LLC 128   2004-11-07   
508-618 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-06-25   
508-618 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-618 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-11-28   
508-618 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-01-19   
508-851 A MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-05-27   
508-851 1 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 2 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 3 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-05-01   
508-851 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-12-17   
508-851 6 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-05-27   
508-851 8 MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-851 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-27   
508-964 A   990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-964 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-964 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-10-14   
508-964 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
508-964 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-04   
508-964 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-27   
508-964 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2011-11-11   
508-964 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-04-20   
508-964 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-964 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-964 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-05-05   
774-266 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-266 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-08-30   
774-266 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-08-27   
774-266 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-02-07   
774-266 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-12-19   
774-266 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
774-266 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-04-04   
774-266 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-03-04   
774-266 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
774-266 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-03-18   
774-266 9   515J IP HORIZON LLC 128   2015-03-26   

1 2 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.