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 51 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-603 9 Upton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-612 A Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-613 A Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-613 1 Franklin MA   829J PAETEC ITEL, LLC 128   2009-12-22   
508-613 2 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-613 3 Franklin MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-613 4 Franklin MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2014-06-04   
508-613 5 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-09-21   
508-613 6 Franklin MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-10-06   
508-613 7 Franklin MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-613 8 Franklin MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
508-613 9 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-614 A Westboro MA FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 0 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-11-02   
508-614 1 Westboro MA FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 2 Westboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2021-09-24   
508-614 3 Westboro MA FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 4 Westboro MA   7135 TC SYSTEMS, INC. 128      
508-614 5 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-03-05   
508-614 6 Westboro MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-614 7 Westboro MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-614 8 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-01-02   
508-614 9 Westboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-615 A Worcester MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-616 A Westboro MA WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-617 A Fall River MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-617 0 Fall River MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-617 1 Fall River MA BRTNMACRLMD  5562 METROPCS, INC. 128   2006-07-15   
508-617 2 Fall River MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-12   
508-617 3 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-01-18   
508-617 4 Fall River MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-02-18   
508-617 5 Fall River MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-09-03   
508-617 6 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-04   
508-617 7 Fall River MA BRTNMACRLMD  5562 METROPCS, INC. 128   2006-11-17   
508-617 8 Fall River MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-23   
508-617 9 Fall River MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-23   
508-618 A Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 0 Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 1 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
508-618 2 Mansfield MA   829J PAETEC ITEL, LLC 128   2004-11-07   
508-618 3 Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-06-25   
508-618 4 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-618 5 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-11-28   
508-618 6 Mansfield MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-618 7 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 8 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 9 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-01-19   
508-619 A Dennis MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-619 0 Dennis MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
508-619 1 Dennis MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
508-619 2 Dennis MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-14   
508-619 3 Dennis MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-07-01   
508-619 4 Dennis MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-619 5 Dennis MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2007-03-18   
508-619 6 Dennis MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2017-10-12   
508-619 7 Dennis MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-07-25   
508-619 8 Dennis MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-08   
508-619 9 Dennis MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
508-620 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-621 A Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 0 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 1 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 2 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 3 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 4 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 5 Westboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 6 Westboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-621 7 Westboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2009-03-01   
508-621 8 Westboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-621 9 Westboro MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
508-622 A Norton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-622 0 Norton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-622 1 Norton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-622 2 Norton MA   829J PAETEC ITEL, LLC 128   2007-11-09   
508-622 3 Norton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-06-15   
508-622 4 Norton MA   829J PAETEC ITEL, LLC 128   2006-11-28   
508-622 5 Norton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-10   
508-622 6 Norton MA   829J PAETEC ITEL, LLC 128   2007-05-31   
508-622 7 Norton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-02   
508-622 8 Norton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-04-10   
508-622 9 Norton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-09-06   
508-623 A Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 0 Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 1 Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 2 Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 3 Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 4 Foxboro MA   829J PAETEC ITEL, LLC 128      
508-623 5 Foxboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-10-22   
508-623 6 Foxboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-10-22   
508-623 7 Foxboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-10-22   
508-623 8 Foxboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-10-22   
508-623 9 Foxboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-10-22   
508-624 A Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-625 A Hopkinton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-625 0 Hopkinton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-625 1 Hopkinton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-625 2 Hopkinton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-11-02   
508-625 3 Hopkinton MA   829J PAETEC ITEL, LLC 128   2007-09-12   
508-625 5 Hopkinton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-625 6 Hopkinton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   

<< 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 51 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.