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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-672
| 5 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-672
| 6 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-02-03 |
|
| 240-672
| 7 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2004-12-02 |
|
| 240-672
| 8 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-02-03 |
|
| 240-672
| 9 |
Washington Zone 10 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2013-09-06 |
|
| 240-673
| A |
Washington Zone 2 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-673
| 0 |
Washington Zone 2 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2019-07-19 |
|
| 240-673
| 1 |
Washington Zone 2 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2019-07-19 |
|
| 240-673
| 2 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
| 240-673
| 3 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
| 240-673
| 4 |
Washington Zone 2 |
MD |
|
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
| 240-673
| 5 |
Washington Zone 2 |
MD |
|
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
| 240-673
| 6 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-09-11 |
|
| 240-673
| 7 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-09-11 |
|
| 240-673
| 8 |
Washington Zone 2 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-08-27 |
|
| 240-673
| 9 |
Washington Zone 2 |
MD |
|
478J NUSO, LLC |
236 |
|
2020-10-04 |
|
| 240-674
| A |
Frederick |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2024-02-09 |
|
| 240-674
| 0 |
Frederick |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
| 240-674
| 1 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 2 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 3 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 4 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 5 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 6 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 7 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 8 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-674
| 9 |
Frederick |
MD |
|
5562 METROPCS, INC. |
240 |
|
|
|
| 240-675
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
| 240-676
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-676
| 0 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-676
| 1 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-676
| 2 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-676
| 3 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-676
| 4 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-676
| 5 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-676
| 6 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-676
| 7 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-676
| 8 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-676
| 9 |
Washington Zone 3 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-677
| A |
Washington Zone 5 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-677
| 0 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 1 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 2 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 3 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 4 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 5 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 6 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 7 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 8 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
| 240-677
| 9 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-07-11 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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