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
240-862 8 Mount Savage MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-862 9 Mount Savage MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-863 A Washington Zone 3 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
240-863 0 Washington Zone 3 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
240-863 1 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-07-02   
240-863 2 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-863 3 Washington Zone 3 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-08-20   
240-863 4 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-06-02   
240-863 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-06-16   
240-863 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-07-04   
240-863 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-06-19   
240-863 8 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-864 A Washington Zone 10 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-865 A Washington Zone 14 (Baltimore LATA) MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
240-865 0 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
240-865 1 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2006-01-14   
240-865 2 Washington Zone 14 (Baltimore LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2008-04-07   
240-865 3 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-09-06   
240-865 4 Washington Zone 14 (Baltimore LATA) MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-08-11   
240-865 5 Washington Zone 14 (Baltimore LATA) MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2007-03-02   
240-865 6 Washington Zone 14 (Baltimore LATA) MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2023-08-06   
240-865 7 Washington Zone 14 (Baltimore LATA) MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2007-09-20   
240-865 8 Washington Zone 14 (Baltimore LATA) MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2007-12-03   
240-865 9 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-05   
240-866 A Hagerstown MD HGTWMD53BMD  145J TERRA NOVA TELECOM INC. 240      
240-866 0 Hagerstown MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2019-12-19   
240-866 1 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2021-05-29   
240-866 2 Hagerstown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
240-866 3 Hagerstown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
240-866 4 Hagerstown MD FRDRMDFRAMD  2589 US LEC OF MARYLAND, INC. 240   2020-08-27   
240-866 5 Hagerstown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-09-20   
240-866 6 Hagerstown MD   145J TERRA NOVA TELECOM INC. 240   2019-11-11   
240-866 7 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2023-07-07   
240-866 8 Hagerstown MD CMLDMDCMUMD  073H TELNYX LLC 240   2021-07-17   
240-866 9 Hagerstown MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2022-03-02   
240-867 A Washington Zone 3 MD SLSPMD913MD  939H COMMIO, LLC 236      
240-867 0 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 1 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 2 Washington Zone 3 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-06-04   
240-867 3 Washington Zone 3 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-06-04   
240-867 4 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-867 5 Washington Zone 3 MD SLSPMD913MD  939H COMMIO, LLC 236   2017-08-11   
240-867 6 Washington Zone 3 MD   515J IP HORIZON LLC 236   2019-04-26   
240-867 7 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-867 8 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 9 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-868 A Washington Zone 12 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-868 0 Washington Zone 12 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-868 1 Washington Zone 12 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-868 2 Washington Zone 12 MD BTVLMD127MD  5562 METROPCS, INC. 236   2021-10-31   

<< 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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.