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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-506 5 Oxford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-506 6 Oxford MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
508-506 7 Oxford MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
508-506 8 Oxford MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
508-506 9 Oxford MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
508-507 A Franklin MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
508-507 0 Franklin MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-11-27   
508-507 1 Franklin MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2007-11-15   
508-507 2 Franklin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
508-507 3 Franklin MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
508-507 4 Franklin MA NRTNMAAACM4  5562 METROPCS, INC. 128   2021-10-15   
508-507 5 Franklin MA NRTNMAAACM4  5562 METROPCS, INC. 128   2021-10-15   
508-507 6 Franklin MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-507 7 Franklin MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-507 8 Franklin MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-507 9 Franklin MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-02-09   
508-509 A Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 0 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 1 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 2 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 3 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 4 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 5 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 6 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 7 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 8 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-509 9 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-510 A Brockton MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-510 0 Brockton MA BRTNMACRLMD  5562 METROPCS, INC. 128   2003-12-29   
508-510 1 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-25   
508-510 2 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-03-27   
508-510 3 Brockton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-12-19   
508-510 4 Brockton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-03   
508-510 5 Brockton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-03   
508-510 6 Brockton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-12-19   
508-510 7 Brockton MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-03-13   
508-510 8 Brockton MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-510 9 Brockton MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-03-13   
508-513 A Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 0 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 1 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 2 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 3 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 4 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 5 Brockton MA BRTNMACRLMD  5562 METROPCS, INC. 128   2011-08-15   
508-513 6 Brockton MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-513 7 Brockton MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-11-04   
508-513 8 Brockton MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2008-10-28   
508-513 9 Brockton MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2010-10-11   
508-514 A Wellfleet MA BRTNMACR0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.