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
240-847 7 Washington Zone 3 MD   318J COMCAST IP PHONE LLC 236   2016-03-01   
240-847 8 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2016-06-13   
240-847 9 Washington Zone 3 MD   082H LOCAL ACCESS LLC - MD 236   2016-05-31   
240-848 A Gaithersburg MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
240-848 0 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-848 1 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2004-07-12   
240-848 2 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2004-12-27   
240-848 3 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2004-12-27   
240-848 4 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2005-03-28   
240-848 5 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2005-04-20   
240-848 6 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2005-09-19   
240-848 7 Gaithersburg MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-16   
240-848 8 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-848 9 Gaithersburg MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2011-10-04   
240-850 A Hagerstown MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-850 0 Hagerstown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2016-07-16   
240-850 1 Hagerstown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2016-07-16   
240-850 2 Hagerstown MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2016-08-21   
240-850 3 Hagerstown MD   876D ONVOY, LLC - MD 240   2016-09-23   
240-850 4 Hagerstown MD   876D ONVOY, LLC - MD 240   2016-09-23   
240-850 5 Hagerstown MD   5562 METRO PCS, INC. 240   2016-11-25   
240-850 6 Hagerstown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-11-20   
240-850 7 Hagerstown MD   7575 CENTURYLINK COMMUNICATIONS LLC 240   2016-10-26   
240-850 9 Hagerstown MD   5562 METRO PCS, INC. 240   2017-02-25   
240-851 A McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-851 0 McCoole MD   073H TELNYX LLC 240   2021-03-04   
240-851 1 McCoole MD   876D ONVOY, LLC - MD 240   2020-09-13   
240-851 2 McCoole MD   876D ONVOY, LLC - MD 240   2020-09-13   
240-851 8 McCoole MD   566J RADIANTIQ LLC 240   2021-05-14   
240-855 A Washington Zone 2 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
240-855 0 Washington Zone 2 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-01   
240-855 1 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2007-02-27   
240-855 2 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2007-02-27   
240-855 3 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2007-02-27   
240-855 4 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2007-02-27   
240-855 5 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2007-02-27   
240-855 6 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-11-30   
240-855 7 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-11-30   
240-855 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-11-30   
240-855 9 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2006-11-30   
240-856 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-856 0 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-06-10   
240-856 1 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-23   
240-856 2 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-23   
240-856 3 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-06-24   
240-856 4 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-03-05   
240-856 5 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-05-22   
240-856 6 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2020-11-08   
240-856 7 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2020-11-08   
240-856 8 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-12-19   

<< 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.