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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-577 4 Waltham MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2011-12-19   
781-577 5 Waltham MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2007-06-29   
781-577 6 Waltham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-577 7 Waltham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-577 8 Waltham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2021-11-23   
781-577 9 Waltham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-578 A Bryantville MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
781-579 A Braintree MA CMBRMABEX0Y  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-579 0 Braintree MA CMBRMABEX0Y  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-06-06   
781-579 1 Braintree MA CMBRMABEX0Y  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-07-29   
781-579 2 Braintree MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2019-10-27   
781-579 3 Braintree MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128   2019-12-20   
781-579 4 Braintree MA CMBRMABEX0Y  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-07-29   
781-579 5 Braintree MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
781-579 6 Braintree MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-05   
781-579 7 Braintree MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-11   
781-579 8 Braintree MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-11   
781-579 9 Braintree MA CMBRMABEX0Y  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-11-01   
781-580 A Lynnfield MA   5562 METROPCS, INC. 128      
781-580 0 Lynnfield MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-580 2 Lynnfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-25   
781-580 3 Lynnfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-25   
781-580 5 Lynnfield MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
781-580 7 Lynnfield MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
781-580 8 Lynnfield MA   515J IP HORIZON LLC 128   2016-07-01   
781-580 9 Lynnfield MA   5562 METROPCS, INC. 128      
781-581 A Lynn MA LYNNMACHDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-582 A Kingston MA KGTNMASLRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-583 A Arlington MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
781-583 0 Arlington MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
781-583 1 Arlington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-07-08   
781-583 2 Arlington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-583 3 Arlington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-08-21   
781-583 5 Arlington MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2007-04-30   
781-583 6 Arlington MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-10-03   
781-583 7 Arlington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-583 8 Arlington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-04-17   
781-584 A Lynn MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-584 0 Lynn MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-06-24   
781-584 1 Lynn MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-584 2 Lynn MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-06-01   
781-584 3 Lynn MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
781-584 4 Lynn MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-02-08   
781-584 5 Lynn MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-10-01   
781-584 6 Lynn MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-02-08   
781-584 7 Lynn MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2009-01-31   
781-584 8 Lynn MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2010-05-16   
781-584 9 Lynn MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-14   
781-585 A Kingston MA KGTNMASLRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-586 A Lynn MA LYNNMACHDS1  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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.