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 |
| 240-821
| 9 |
Washington Zone 3 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2006-03-26 |
|
| 240-822
| A |
New Market |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
| 240-822
| 0 |
New Market |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2022-10-14 |
|
| 240-822
| 1 |
New Market |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-12-03 |
|
| 240-822
| 2 |
New Market |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2024-03-02 |
|
| 240-822
| 3 |
New Market |
MD |
|
318J COMCAST IP PHONE, LLC |
240 |
|
2021-10-03 |
|
| 240-822
| 4 |
New Market |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-14 |
|
| 240-822
| 5 |
New Market |
MD |
|
318J COMCAST IP PHONE, LLC |
240 |
|
2021-10-03 |
|
| 240-822
| 6 |
New Market |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-822
| 7 |
New Market |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-822
| 8 |
New Market |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-822
| 9 |
New Market |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2024-04-05 |
|
| 240-823
| A |
Brandywine |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-823
| 0 |
Brandywine |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2025-05-07 |
|
| 240-823
| 1 |
Brandywine |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-14 |
|
| 240-823
| 2 |
Brandywine |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-14 |
|
| 240-823
| 3 |
Brandywine |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2024-02-03 |
|
| 240-823
| 4 |
Brandywine |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2014-10-28 |
|
| 240-823
| 5 |
Brandywine |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2014-10-28 |
|
| 240-823
| 6 |
Brandywine |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-823
| 7 |
Brandywine |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-11-11 |
|
| 240-823
| 8 |
Brandywine |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-04-28 |
|
| 240-823
| 9 |
Brandywine |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-14 |
|
| 240-824
| A |
Frostburg |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
| 240-824
| 0 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-15 |
|
| 240-824
| 1 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-15 |
|
| 240-824
| 2 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-14 |
|
| 240-824
| 3 |
Frostburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2021-09-12 |
|
| 240-824
| 4 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-21 |
|
| 240-824
| 5 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-824
| 6 |
Frostburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-824
| 7 |
Frostburg |
MD |
|
516J TON80 COMMUNICATIONS, LLC |
240 |
|
2021-11-12 |
|
| 240-824
| 8 |
Frostburg |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-824
| 9 |
Frostburg |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2022-01-17 |
|
| 240-825
| A |
Washington Zone 4 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-825
| 0 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-05-15 |
|
| 240-825
| 1 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-05-15 |
|
| 240-825
| 2 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-05-15 |
|
| 240-825
| 3 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-09-08 |
|
| 240-825
| 4 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-05-26 |
|
| 240-825
| 5 |
Washington Zone 4 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2017-02-21 |
|
| 240-825
| 6 |
Washington Zone 4 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-05-15 |
|
| 240-825
| 7 |
Washington Zone 4 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-05-15 |
|
| 240-825
| 8 |
Washington Zone 4 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-05-15 |
|
| 240-825
| 9 |
Washington Zone 4 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2016-05-14 |
|
| 240-826
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-826
| 0 |
Washington Zone 10 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 1 |
Washington Zone 10 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 2 |
Washington Zone 10 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 3 |
Washington Zone 10 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
<< 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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