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
240-589 A McCoole MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-589 0 McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-06-04   
240-589 1 McCoole MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2022-02-26   
240-589 2 McCoole MD   145J TERRA NOVA TELECOM INC. 240   2024-02-10   
240-589 3 McCoole MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-14   
240-589 4 McCoole MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-14   
240-589 5 McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-06   
240-589 6 McCoole MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-14   
240-589 7 McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-06   
240-589 8 McCoole MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-14   
240-589 9 McCoole MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2018-05-07   
240-590 A Washington Zone 12 MD BTVLMD127MD  5562 METROPCS, INC. 236      
240-590 0 Washington Zone 12 MD WASHDC126MD  964H BARR TELL USA, INC. 236   2018-06-01   
240-590 1 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 2 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 3 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 4 Washington Zone 12 MD BTVLMD127MD  5562 METROPCS, INC. 236   2019-08-03   
240-590 5 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-590 6 Washington Zone 12 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-02-26   
240-590 7 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-590 8 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-590 9 Washington Zone 12 MD BTVLMD127MD  5562 METROPCS, INC. 236   2018-05-31   
240-591 A Hagerstown MD FRDRMDFRXQX  836G SHENTEL COMMUNICATIONS, LLC. - MD 240      
240-591 0 Hagerstown MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-04-15   
240-591 1 Hagerstown MD FRDRMDFRXQX  836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2018-06-16   
240-591 2 Hagerstown MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2019-07-23   
240-591 3 Hagerstown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2022-10-16   
240-591 4 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-03-15   
240-591 5 Hagerstown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2020-10-05   
240-591 6 Hagerstown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2020-10-05   
240-591 7 Hagerstown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2020-10-05   
240-591 8 Hagerstown MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2019-05-23   
240-591 9 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-05-10   
240-592 A Washington Zone 13 MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-592 0 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 1 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 2 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 3 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 4 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 5 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 6 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 7 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 8 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-592 9 Washington Zone 13 MD   9212 VERIZON MARYLAND, INC. 236   2016-07-31   
240-593 A Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
240-593 0 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
240-593 1 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
240-593 2 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
240-593 3 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
240-593 4 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      

<< 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.