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 |
240-357
| 3 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2007-12-14 |
|
240-357
| 4 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2006-11-02 |
|
240-357
| 5 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2007-06-01 |
|
240-357
| 6 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2007-06-01 |
|
240-357
| 7 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2007-07-02 |
|
240-357
| 8 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2008-02-14 |
|
240-357
| 9 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2021-10-17 |
|
240-358
| A |
Damascus |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-358
| 0 |
Damascus |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2019-12-01 |
|
240-358
| 1 |
Damascus |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-22 |
|
240-358
| 2 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-04-25 |
|
240-358
| 3 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-07-12 |
|
240-358
| 4 |
Damascus |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
240-358
| 5 |
Damascus |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-358
| 6 |
Damascus |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
240-358
| 7 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
240-358
| 8 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
240-358
| 9 |
Damascus |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-359
| A |
Indian Head |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-359
| 0 |
Indian Head |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-03-14 |
|
240-359
| 1 |
Indian Head |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2023-08-19 |
|
240-359
| 2 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-20 |
|
240-359
| 3 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-07-12 |
|
240-359
| 6 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-11-27 |
|
240-359
| 7 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-11-27 |
|
240-359
| 8 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
240-359
| 9 |
Indian Head |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-360
| A |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-360
| 0 |
Laurel |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2014-03-31 |
|
240-360
| 1 |
Laurel |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2014-03-31 |
|
240-360
| 2 |
Laurel |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-10-20 |
|
240-360
| 3 |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-03-23 |
|
240-360
| 4 |
Laurel |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-06-23 |
|
240-360
| 5 |
Laurel |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-10-13 |
|
240-360
| 6 |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-09-21 |
|
240-360
| 7 |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-09-21 |
|
240-360
| 8 |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-11-15 |
|
240-360
| 9 |
Laurel |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-11-15 |
|
240-361
| A |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 0 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 1 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 2 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 3 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 4 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 5 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 6 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-361
| 7 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2006-01-28 |
|
240-361
| 8 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2006-01-28 |
|
240-361
| 9 |
Gaithersburg |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-362
| A |
Cumberland |
MD |
CSTWMDCRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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