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.

NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-445 8 Cataumet MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-445 9 Cataumet MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
508-446 A Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-446 0 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-08-29   
508-446 1 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-08-29   
508-446 2 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-08-29   
508-446 3 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-08-29   
508-446 4 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-08-29   
508-446 5 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-04-29   
508-446 6 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-04-29   
508-446 7 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-11-01   
508-446 8 Franklin MA BSTPMALLOMD  073H TELNYX LLC 128   2024-06-20   
508-446 9 Franklin MA BSTPMALLOMD  073H TELNYX LLC 128   2024-08-18   
508-447 A Foxboro MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-448 A Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-448 0 Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-448 1 Rehoboth MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-09-12   
508-448 3 Rehoboth MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-09-17   
508-448 5 Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-448 6 Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-448 7 Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-448 8 Rehoboth MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-449 A Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 0 Marlboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-449 1 Marlboro MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2004-07-09   
508-449 2 Marlboro MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2004-07-09   
508-449 3 Marlboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 4 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 5 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 6 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-07-05   
508-449 7 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 8 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 9 Marlboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-16   
508-450 A Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-451 A Lawrence MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-452 A Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 0 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 1 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 2 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-452 3 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 4 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 5 Mansfield MA   145J TERRA NOVA TELECOM INC. 128   2022-04-22   
508-452 6 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
508-452 7 Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 8 Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 9 Mansfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-07-01   
508-453 A Worcester MA   829J PAETEC ITEL, LLC 128      
508-454 A Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 0 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 1 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 2 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 3 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 4 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 5 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 6 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 7 Walpole MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-454 8 Walpole MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-02-11   
508-455 A Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-455 0 Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-455 1 Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-455 2 Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-455 3 Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-16   
508-455 4 Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-08-26   
508-455 5 Attleboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-19   
508-455 6 Attleboro MA   829J PAETEC ITEL, LLC 128   2005-07-01   
508-455 7 Attleboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-01-19   
508-455 8 Attleboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-01-29   
508-455 9 Attleboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-01-07   
508-456 A East Bridgewater MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-456 0 East Bridgewater MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-11   
508-456 1 East Bridgewater MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-456 3 East Bridgewater MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-456 4 East Bridgewater MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2010-08-08   
508-456 5 East Bridgewater MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-456 6 East Bridgewater MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2013-01-10   
508-456 7 East Bridgewater MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-23   
508-456 8 East Bridgewater MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
508-456 9 East Bridgewater MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-457 A Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 0 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 1 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 2 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 3 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 4 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 5 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 6 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 7 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-457 8 Falmouth MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-02-08   
508-457 9 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-458 A Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-458 0 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-458 1 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-458 2 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-458 3 Milford MA   829J PAETEC ITEL, LLC 128   2010-02-25   
508-458 4 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
508-458 5 Milford MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
508-458 6 Milford MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-27   
508-458 7 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
508-458 8 Milford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2005-07-30   
508-458 9 Milford MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.