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
508-571 5 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-571 6 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-571 8 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-26   
508-571 9 Northboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-572 A Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-573 A Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 0 Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-05-03   
508-573 1 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 2 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 3 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 4 Marlboro MA   829J PAETEC ITEL, LLC 128   2008-05-06   
508-573 5 Marlboro MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
508-573 6 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 7 Marlboro MA   829J PAETEC ITEL, LLC 128   2008-04-21   
508-573 8 Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-24   
508-573 9 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-574 A Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-575 A Taunton MA WOBNMADW2MD  174A NEP, LLC 128      
508-576 A North Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-576 0 North Attleboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-576 1 North Attleboro MA   515J IP HORIZON LLC 128   2015-03-26   
508-576 2 North Attleboro MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-01   
508-576 3 North Attleboro MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2024-06-13   
508-576 4 North Attleboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
508-576 5 North Attleboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-576 6 North Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-576 7 North Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-576 8 North Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-01-13   
508-577 A Brockton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-578 A Dover MA NDHMMAPIDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-579 A Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 0 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 1 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 2 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 3 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 4 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 5 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 6 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 7 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 8 Worcester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-579 9 Worcester MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-580 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-581 A Millbury MA MLBRMAGRRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-581 0 Millbury MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-01-03   
508-581 1 Millbury MA MLBRMAGRRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-581 2 Millbury MA   829J PAETEC ITEL, LLC 128   2005-09-04   
508-581 3 Millbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-05   
508-581 4 Millbury MA OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2011-08-22   
508-581 5 Millbury MA   829J PAETEC ITEL, LLC 128   2003-07-28   
508-581 6 Millbury MA   829J PAETEC ITEL, LLC 128   2002-05-08   
508-581 7 Millbury MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-10-10   
508-581 8 Millbury MA MLBRMAGRRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-581 9 Millbury MA MLBRMAGRRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-582 A Hyannis MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-583 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-584 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-585 A Bridgewater MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-586 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-587 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-588 A Brockton MA BRTNMACRDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-589 A Hopkinton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-589 0 Hopkinton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-589 1 Hopkinton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-25   
508-589 2 Hopkinton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-589 3 Hopkinton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-01   
508-589 4 Hopkinton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-589 5 Hopkinton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-02   
508-589 6 Hopkinton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-02   
508-589 7 Hopkinton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2009-01-31   
508-589 8 Hopkinton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
508-589 9 Hopkinton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-590 A Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 0 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 1 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 2 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 3 Franklin MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-12-09   
508-590 4 Franklin MA   145J TERRA NOVA TELECOM INC. 128   2022-12-16   
508-590 5 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 6 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 7 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 8 Franklin MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-590 9 Franklin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
508-591 A Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-591 0 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-591 1 Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-591 2 Plymouth MA   145J TERRA NOVA TELECOM INC. 128   2022-12-16   
508-591 3 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-591 4 Plymouth MA   829J PAETEC ITEL, LLC 128   2012-11-07   
508-591 5 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-591 6 Plymouth MA   829J PAETEC ITEL, LLC 128   2005-06-14   
508-591 7 Plymouth MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-11-06   
508-591 8 Plymouth MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-04-29   
508-591 9 Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-592 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-592 0 Framingham MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-592 1 Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-592 2 Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-592 3 Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-592 4 Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-592 5 Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      

<< 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: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.