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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-768 8 Nanjemoy MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-768 9 Nanjemoy MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-769 A Keedysville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-769 0 Keedysville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-09-18   
240-769 1 Keedysville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-09-20   
240-769 2 Keedysville MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2023-03-18   
240-769 3 Keedysville MD HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-09-19   
240-769 4 Keedysville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-09-20   
240-769 5 Keedysville MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-769 6 Keedysville MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-769 7 Keedysville MD   876D ONVOY, LLC - MD 240   2024-03-07   
240-769 8 Keedysville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2023-01-21   
240-769 9 Keedysville MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-10-27   
240-770 A Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
240-770 0 Washington Zone 4 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-770 1 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
240-770 2 Washington Zone 4 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-770 3 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-08   
240-770 4 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-08   
240-770 5 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-08   
240-770 6 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-770 7 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-770 8 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-770 9 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
240-771 A Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-771 0 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-18   
240-771 1 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-18   
240-771 2 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 3 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-08-05   
240-771 4 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-08-05   
240-771 5 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-02-02   
240-771 6 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 7 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 8 Poolesville MD WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-771 9 Poolesville MD   515J IP HORIZON LLC 236   2016-05-31   
240-772 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-772 0 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2012-01-19   
240-772 1 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-10-12   
240-772 2 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2013-11-01   
240-772 3 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2012-08-29   
240-772 4 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2012-10-18   
240-772 5 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2012-10-07   
240-772 6 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2014-07-01   
240-772 7 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2014-09-01   
240-772 8 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2013-08-15   
240-772 9 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-06-21   
240-773 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-774 A Lonaconing MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-774 0 Lonaconing MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-12-03   
240-774 1 Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.