Local Calling Guide
Area code/prefix search
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 |
| 240-740
| 7 |
Washington Zone 10 |
MD |
VINNVACB1MD |
361H ATLANTECH ONLINE, INC. - MD |
236 |
|
2015-11-01 |
|
| 240-740
| 8 |
Washington Zone 10 |
MD |
VINNVACB1MD |
361H ATLANTECH ONLINE, INC. - MD |
236 |
|
2015-11-01 |
|
| 240-740
| 9 |
Washington Zone 10 |
MD |
VINNVACB1MD |
361H ATLANTECH ONLINE, INC. - MD |
236 |
|
2015-11-01 |
|
| 240-741
| A |
Frederick |
MD |
CMLDMDCMYMD |
996H AIRESPRING, INC. |
240 |
|
|
|
| 240-741
| 0 |
Frederick |
MD |
CMLDMDCMYMD |
996H AIRESPRING, INC. |
240 |
|
2020-11-15 |
|
| 240-741
| 1 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2021-04-22 |
|
| 240-741
| 2 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2021-07-02 |
|
| 240-741
| 3 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2021-07-02 |
|
| 240-741
| 4 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-741
| 5 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-02-23 |
|
| 240-741
| 6 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-02-23 |
|
| 240-741
| 7 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-02-23 |
|
| 240-741
| 8 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-02-23 |
|
| 240-741
| 9 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2021-04-08 |
|
| 240-742
| A |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXKX |
478J NUSO, LLC |
238 |
|
|
|
| 240-742
| 0 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2023-10-20 |
|
| 240-742
| 1 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXKX |
478J NUSO, LLC |
238 |
|
2021-01-21 |
|
| 240-742
| 2 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
| 240-742
| 3 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 240-742
| 4 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 240-742
| 5 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-03 |
|
| 240-742
| 6 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 240-742
| 7 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2021-01-23 |
|
| 240-742
| 8 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-03 |
|
| 240-742
| 9 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-12-02 |
|
| 240-743
| A |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-743
| 0 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-08-09 |
|
| 240-743
| 1 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-07-01 |
|
| 240-743
| 2 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-05-11 |
|
| 240-743
| 3 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-08-27 |
|
| 240-743
| 4 |
Washington Zone 2 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-20 |
|
| 240-743
| 5 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2007-09-13 |
|
| 240-743
| 6 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-09 |
|
| 240-743
| 7 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2007-09-17 |
|
| 240-743
| 8 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2007-09-17 |
|
| 240-743
| 9 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2007-09-17 |
|
| 240-744
| A |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 0 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 1 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 2 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-07-02 |
|
| 240-744
| 3 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 4 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 5 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 6 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-11-21 |
|
| 240-744
| 7 |
Washington Zone 2 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-744
| 8 |
Washington Zone 2 |
MD |
WASHDC12KMD |
145J TERRA NOVA TELECOM INC. |
236 |
|
2021-06-10 |
|
| 240-744
| 9 |
Washington Zone 2 |
MD |
ARTNVAARXJY |
516J TON80 COMMUNICATIONS, LLC |
236 |
|
2021-11-13 |
|
| 240-745
| A |
Damascus |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-745
| 0 |
Damascus |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-745
| 1 |
Damascus |
MD |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
2004-02-05 |
|
<< 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: Tue, 16 Apr 2024 01:38:01 UTC
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