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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-981
| 9 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
| 240-982
| A |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-982
| 0 |
Gaithersburg |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-03-22 |
|
| 240-982
| 1 |
Gaithersburg |
MD |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2023-12-21 |
|
| 240-982
| 2 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-03-20 |
|
| 240-982
| 3 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-03-20 |
|
| 240-982
| 4 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-03-20 |
|
| 240-982
| 5 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-18 |
|
| 240-982
| 6 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-18 |
|
| 240-982
| 7 |
Gaithersburg |
MD |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2023-12-21 |
|
| 240-982
| 8 |
Gaithersburg |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-07-06 |
|
| 240-982
| 9 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-07-06 |
|
| 240-983
| A |
Hagerstown |
MD |
CMLDMD304MD |
732J NUSO, LLC |
240 |
|
|
|
| 240-983
| 0 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2025-06-04 |
|
| 240-983
| 1 |
Hagerstown |
MD |
CMLDMD304MD |
732J NUSO, LLC |
240 |
|
2023-04-03 |
|
| 240-983
| 2 |
Hagerstown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-04-20 |
|
| 240-983
| 3 |
Hagerstown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-04-20 |
|
| 240-983
| 4 |
Hagerstown |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2024-12-05 |
|
| 240-983
| 5 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2024-11-21 |
|
| 240-983
| 6 |
Hagerstown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-12-14 |
|
| 240-983
| 7 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2024-01-12 |
|
| 240-983
| 8 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2023-10-01 |
|
| 240-983
| 9 |
Hagerstown |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2023-09-22 |
|
| 240-984
| A |
New Market |
MD |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
|
|
| 240-984
| 0 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-10-22 |
|
| 240-984
| 1 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-10-22 |
|
| 240-984
| 2 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-10-22 |
|
| 240-984
| 3 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-10-22 |
|
| 240-984
| 4 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-10-22 |
|
| 240-984
| 5 |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-06-16 |
|
| 240-984
| 6 |
New Market |
MD |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
2025-05-19 |
|
| 240-985
| A |
Williamsport |
MD |
FRDRMDFRXKX |
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
|
|
| 240-985
| 0 |
Williamsport |
MD |
HGTWMD530MD |
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
| 240-985
| 1 |
Williamsport |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-06-17 |
|
| 240-985
| 3 |
Williamsport |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-06-17 |
|
| 240-985
| 4 |
Williamsport |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-06-17 |
|
| 240-985
| 6 |
Williamsport |
MD |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
2018-03-19 |
|
| 240-985
| 7 |
Williamsport |
MD |
FRDRMDFRXKX |
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
2016-12-16 |
|
| 240-985
| 8 |
Williamsport |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-06 |
|
| 240-985
| 9 |
Williamsport |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-06 |
|
| 240-986
| A |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-986
| 1 |
Nanjemoy |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-10-26 |
|
| 240-986
| 2 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-986
| 3 |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-10-07 |
|
| 240-986
| 4 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2007-10-22 |
|
| 240-986
| 5 |
Nanjemoy |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2024-09-11 |
|
| 240-986
| 6 |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2005-08-15 |
|
| 240-986
| 7 |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-986
| 8 |
Nanjemoy |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2024-03-03 |
|
| 240-986
| 9 |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2005-08-15 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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