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 |
| 240-733
| 3 |
Ashton |
MD |
|
965H FRACTEL, LLC |
236 |
|
2020-09-12 |
|
| 240-733
| 4 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-12-11 |
|
| 240-733
| 5 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-08 |
|
| 240-733
| 6 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-08 |
|
| 240-733
| 7 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-08 |
|
| 240-733
| 8 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-01-01 |
|
| 240-733
| 9 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-01-01 |
|
| 240-734
| A |
Smithsburg |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
|
|
| 240-734
| 0 |
Smithsburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2012-05-20 |
|
| 240-734
| 1 |
Smithsburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-08 |
|
| 240-734
| 2 |
Smithsburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2016-09-13 |
|
| 240-734
| 3 |
Smithsburg |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2016-09-13 |
|
| 240-734
| 4 |
Smithsburg |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2017-09-11 |
|
| 240-734
| 5 |
Smithsburg |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-03-11 |
|
| 240-734
| 6 |
Smithsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-734
| 7 |
Smithsburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2016-10-28 |
|
| 240-734
| 8 |
Smithsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-734
| 9 |
Smithsburg |
MD |
|
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
| 240-735
| A |
Brunswick |
MD |
FRDRMDFRXUX |
478J NUSO, LLC |
240 |
|
|
|
| 240-735
| 0 |
Brunswick |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2021-07-17 |
|
| 240-735
| 1 |
Brunswick |
MD |
|
478J NUSO, LLC |
240 |
|
2020-10-27 |
|
| 240-735
| 2 |
Brunswick |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-12-03 |
|
| 240-735
| 3 |
Brunswick |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-735
| 4 |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-735
| 5 |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-735
| 6 |
Brunswick |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-12-03 |
|
| 240-735
| 7 |
Brunswick |
MD |
|
490J DISH WIRELESS, LLC |
240 |
|
2023-07-28 |
|
| 240-735
| 8 |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2024-03-07 |
|
| 240-735
| 9 |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2024-07-06 |
|
| 240-736
| A |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-736
| 0 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-07-30 |
|
| 240-736
| 1 |
Laurel |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-04-02 |
|
| 240-736
| 2 |
Laurel |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-04-02 |
|
| 240-736
| 3 |
Laurel |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-04-02 |
|
| 240-736
| 4 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-01-01 |
|
| 240-736
| 5 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-01-01 |
|
| 240-736
| 6 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-01-01 |
|
| 240-736
| 7 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2020-10-17 |
|
| 240-736
| 8 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2020-10-17 |
|
| 240-736
| 9 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2020-10-17 |
|
| 240-737
| A |
Washington Zone 4 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-738
| A |
Hancock |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
| 240-738
| 0 |
Hancock |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2020-10-18 |
|
| 240-738
| 1 |
Hancock |
MD |
|
836G SHENTEL COMMUNICATIONS, LLC. - MD |
240 |
|
2020-10-22 |
|
| 240-738
| 3 |
Hancock |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-738
| 4 |
Hancock |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-11-15 |
|
| 240-738
| 5 |
Hancock |
MD |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-11-15 |
|
| 240-738
| 6 |
Hancock |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-21 |
|
| 240-738
| 8 |
Hancock |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2021-05-21 |
|
| 240-738
| 9 |
Hancock |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2023-11-03 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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