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
508-570 2 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-04   
508-570 4 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-570 5 Franklin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-23   
508-570 6 Franklin MA WSBOMAGJCM0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
508-570 7 Franklin MA CHTWMABMGT1  2899 BROADVIEW NETWORKS, INC. - MA 128   2013-01-13   
508-570 8 Franklin MA WSBOMAGJCM0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-02-03   
508-570 9 Franklin MA   892D ONVOY, LLC - MA 128   2010-03-15   
508-571 A Northboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-571 0 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-571 1 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-01   
508-571 2 Northboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-571 3 Northboro MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2016-10-14   
508-571 4 Northboro MA   566J RADIANTIQ LLC 128   2021-05-18   
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 7 Northboro MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
508-571 8 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-26   
508-571 9 Northboro MA   624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-572 A Billerica MA CMBSMA01GT4  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 WSBOMAGJCM0  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 FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2008-05-06   
508-573 5 Marlboro MA CHTWMABFDS2  966C DSCI, LLC 128   2005-04-10   
508-573 6 Marlboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-573 7 Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2008-04-21   
508-573 8 Marlboro MA WSBOMAGJCM0  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 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-575 A Taunton MA WOBNMADWN23  174A NEP, LLC 128      
508-576 A North Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2021-01-05   
508-576 1 North Attleboro MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 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 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS LLC 128   2014-03-31   
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   318J COMCAST IP PHONE LLC 128   2015-01-13   
508-576 9 North Attleboro MA   145J TERRA NOVA TELECOM INC. 128   2021-09-23   
508-577 A Brockton MA CMBSMA01GT3  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 WLPLMAALDMD  6664 SPRINT SPECTRUM, L.P. 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 WSBOMAGJCM0  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 WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-09-04   

<< 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, 17 Oct 2021 19:41:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.