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
240-457 2 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2011-02-05   
240-457 3 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2011-06-24   
240-457 4 Frederick MD   318J COMCAST IP PHONE LLC 240   2011-06-20   
240-457 5 Frederick MD   6664 SPRINT SPECTRUM L.P. 240   2011-10-11   
240-457 6 Frederick MD   6664 SPRINT SPECTRUM L.P. 240   2011-10-11   
240-457 7 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2009-09-04   
240-457 8 Frederick MD   6664 SPRINT SPECTRUM L.P. 240   2011-09-25   
240-457 9 Frederick MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2009-02-09   
240-458 A Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-458 0 Waldorf MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-07-17   
240-458 1 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 2 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 3 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 4 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 5 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 6 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 7 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 8 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-458 9 Waldorf MD   6664 SPRINT SPECTRUM L.P. 236   2011-12-05   
240-459 A Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-459 0 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-09-24   
240-459 1 Laurel MD   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2011-07-02   
240-459 2 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-08-17   
240-459 3 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-26   
240-459 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-05-07   
240-459 5 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-05-16   
240-459 6 Laurel MD   4773 XO MARYLAND, LLC 236   2011-04-01   
240-459 7 Laurel MD   508J CENTURYLINK COMMUNICATIONS LLC 236   2013-10-01   
240-459 8 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
240-459 9 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-06-20   
240-460 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-461 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-462 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
240-463 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-464 A Washington Zone 2 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
240-464 0 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2005-12-31   
240-464 1 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-10-11   
240-464 2 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-09-11   
240-464 3 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-10-11   
240-464 4 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-11-01   
240-464 5 Washington Zone 2 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-23   
240-464 6 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-12-01   
240-464 7 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-12-30   
240-464 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2003-12-30   
240-464 9 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-08-28   
240-465 A Washington Zone 2 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-465 0 Washington Zone 2 MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-465 2 Washington Zone 2 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-06-26   
240-465 3 Washington Zone 2 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-06-26   
240-465 4 Washington Zone 2 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-06-26   

<< 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: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.