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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-598 A Framingham MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-598 0 Framingham MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 128   2013-04-04   
508-598 1 Framingham MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-598 2 Framingham MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-14   
508-598 3 Framingham MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-598 4 Framingham MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-598 5 Framingham MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2007-08-09   
508-598 6 Framingham MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-598 7 Framingham MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-05-24   
508-598 8 Framingham MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
508-598 9 Framingham MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 A Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 0 Westboro MA WSBOMAGJCM0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-18   
508-599 1 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 2 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 3 Westboro MA WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2007-07-24   
508-599 4 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-12-23   
508-599 5 Westboro MA CHTWMABFDS2  966C DSCI, LLC 128   2005-04-10   
508-599 6 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 7 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 8 Westboro MA WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2011-03-15   
508-599 9 Westboro MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-600 A Framingham MA FRMNMAUNDS8  9102 VERIZON NEW ENGLAND INC. 128      
508-603 A Upton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-603 0 Upton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-01   
508-603 1 Upton MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2005-01-01   
508-603 2 Upton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-02-27   
508-603 3 Upton MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
508-603 4 Upton MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2006-04-21   
508-603 5 Upton MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2008-12-17   
508-603 6 Upton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-13   
508-603 7 Upton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-05   
508-603 8 Upton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-603 9 Upton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-612 A Worcester MA WSBOMAGJCM0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-613 A Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2021-01-05   
508-613 0 Franklin MA   145J TERRA NOVA TELECOM INC. 128   2021-09-28   
508-613 1 Franklin MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2009-12-22   
508-613 2 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-613 3 Franklin MA   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 CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-09-21   
508-613 6 Franklin MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-10-06   
508-613 7 Franklin MA   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 WSBOMAGJCM0  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   7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2021-09-24   

<< 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 >>

Last updated: Sun, 31 Oct 2021 22:15:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.