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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-232 8 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-06   
240-232 9 Washington Zone 14 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-233 A Tompkinsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-233 0 Tompkinsville MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-233 1 Tompkinsville MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-05   
240-233 2 Tompkinsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-05   
240-233 3 Tompkinsville MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-233 4 Tompkinsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-04   
240-233 5 Tompkinsville MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2004-03-26   
240-233 6 Tompkinsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
240-233 7 Tompkinsville MD   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2012-09-21   
240-233 8 Tompkinsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-11   
240-233 9 Tompkinsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-03-10   
240-234 A Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-234 0 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-08-01   
240-234 1 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 2 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 3 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 4 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 5 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 6 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 7 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-234 9 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-235 A Washington Zone 2 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
240-236 A Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 0 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 1 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 2 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 3 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 4 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 5 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 6 Frederick MD   9212 VERIZON MARYLAND, INC. 240   2002-06-20   
240-236 7 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 8 Frederick MD   9212 VERIZON MARYLAND, INC. 240      
240-236 9 Frederick MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2015-02-06   
240-237 A Lexington Park-Great Mills MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-237 0 Lexington Park-Great Mills MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-02-16   
240-237 1 Lexington Park-Great Mills MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-05   
240-237 2 Lexington Park-Great Mills MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-08-09   
240-237 3 Lexington Park-Great Mills MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-09-02   
240-237 4 Lexington Park-Great Mills MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-237 5 Lexington Park-Great Mills MD   6664 SPRINT SPECTRUM L.P. 236   2006-04-07   
240-237 6 Lexington Park-Great Mills MD   6664 SPRINT SPECTRUM L.P. 236   2004-02-28   
240-237 7 Lexington Park-Great Mills MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-05-31   
240-237 8 Lexington Park-Great Mills MD   228C IDT AMERICA CORP - MD 236   2007-09-12   
240-237 9 Lexington Park-Great Mills MD   6664 SPRINT SPECTRUM L.P. 236   2011-10-25   
240-238 A Washington Zone 10 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
240-239 A Leonardtown MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC. - MD 236      
240-240 A Damascus (Hagerstown LATA) MD HGTWMD53CMD  965H FRACTEL LLC 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 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.