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
240-643 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-643 0 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-643 1 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-03-24   
240-643 2 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-03-24   
240-643 3 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-04-07   
240-643 4 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-04-07   
240-643 5 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-04-07   
240-643 6 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-643 7 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-05-09   
240-643 8 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-05-09   
240-643 9 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-644 A Washington Zone 2 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-644 0 Washington Zone 2 MD   4773 XO MARYLAND, LLC 236      
240-644 1 Washington Zone 2 MD   4773 XO MARYLAND, LLC 236      
240-644 2 Washington Zone 2 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-06-04   
240-644 3 Washington Zone 2 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-07-16   
240-644 4 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-07-14   
240-644 5 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-07-14   
240-644 6 Washington Zone 2 MD   4773 XO MARYLAND, LLC 236      
240-644 7 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-07-14   
240-644 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-04-12   
240-644 9 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-04-23   
240-645 A Washington Zone 3 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-645 0 Washington Zone 3 MD   4773 XO MARYLAND, LLC 236      
240-645 1 Washington Zone 3 MD   4773 XO MARYLAND, LLC 236      
240-645 2 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-23   
240-645 3 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-23   
240-645 4 Washington Zone 3 MD   4773 XO MARYLAND, LLC 236      
240-645 5 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-06   
240-645 6 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-06   
240-645 7 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-06   
240-645 8 Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-15   
240-645 9 Washington Zone 3 MD   6664 SPRINT SPECTRUM L.P. 236   2005-04-20   
240-646 A Laurel MD WASJDCDBDS1  4820 CAVALIER EAST LLC - MD 236      
240-646 0 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 1 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 2 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-17   
240-646 3 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 5 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 6 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 7 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 8 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 9 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-647 A Clear Spring MD FRDRMDFRPS0  2593 CORE COMMUNICATIONS, INC. - MD 240      
240-647 0 Clear Spring MD   2593 CORE COMMUNICATIONS, INC. - MD 240   2018-08-02   
240-647 1 Clear Spring MD   2593 CORE COMMUNICATIONS, INC. - MD 240   2018-08-02   
240-647 2 Clear Spring MD   2593 CORE COMMUNICATIONS, INC. - MD 240   2018-08-02   
240-647 3 Clear Spring MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-647 4 Clear Spring MD   2593 CORE COMMUNICATIONS, INC. - MD 240   2019-03-28   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.