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
240-824 A Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 0 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-15   
240-824 1 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-15   
240-824 2 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-14   
240-824 3 Frostburg MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-09-12   
240-824 4 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-21   
240-824 5 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-824 6 Frostburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-824 7 Frostburg MD HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-11-12   
240-824 8 Frostburg MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-824 9 Frostburg MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2022-01-17   
240-825 A Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-825 0 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-05-15   
240-825 1 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-05-15   
240-825 2 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-05-15   
240-825 3 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-09-08   
240-825 4 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-05-26   
240-825 5 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-02-21   
240-825 6 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-05-15   
240-825 7 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-05-15   
240-825 8 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-05-15   
240-825 9 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-05-14   
240-826 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-826 0 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 1 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 2 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 3 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 4 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 5 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 6 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 7 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 8 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-826 9 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-06-06   
240-827 A Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-827 2 Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-11-01   
240-827 3 Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-11-01   
240-827 4 Lonaconing MD HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-11-02   
240-827 5 Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-12-19   
240-827 6 Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-12-19   
240-827 7 Lonaconing MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-828 A Washington Zone 4 MD WASHDC127MD  073H TELNYX LLC 236      
240-828 0 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-08-26   
240-828 1 Washington Zone 4 MD WASHDC127MD  073H TELNYX LLC 236   2017-04-01   
240-828 2 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-828 3 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-828 4 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-828 5 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2018-06-11   
240-828 6 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-828 7 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-828 8 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-04-01   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.