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 |
| 240-648
| 1 |
Keedysville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-08-03 |
|
| 240-648
| 2 |
Keedysville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-08-03 |
|
| 240-648
| 3 |
Keedysville |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-11-20 |
|
| 240-648
| 4 |
Keedysville |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-648
| 5 |
Keedysville |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2019-06-21 |
|
| 240-648
| 6 |
Keedysville |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-648
| 7 |
Keedysville |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-648
| 8 |
Keedysville |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-648
| 9 |
Keedysville |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-04-29 |
|
| 240-649
| A |
Smithsburg |
MD |
HGTWMD53DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
|
|
| 240-649
| 0 |
Smithsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-08-03 |
|
| 240-649
| 1 |
Smithsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-08-03 |
|
| 240-649
| 2 |
Smithsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2018-08-03 |
|
| 240-649
| 3 |
Smithsburg |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-11-20 |
|
| 240-649
| 4 |
Smithsburg |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-649
| 5 |
Smithsburg |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-05-21 |
|
| 240-649
| 6 |
Smithsburg |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-649
| 7 |
Smithsburg |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-04-29 |
|
| 240-649
| 8 |
Smithsburg |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2023-10-28 |
|
| 240-649
| 9 |
Smithsburg |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-04-29 |
|
| 240-650
| A |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-650
| 0 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 1 |
Washington Zone 3 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2012-09-15 |
|
| 240-650
| 2 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2013-03-02 |
|
| 240-650
| 3 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 4 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 5 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 6 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 7 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-10 |
|
| 240-650
| 8 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-02-27 |
|
| 240-650
| 9 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-02-29 |
|
| 240-651
| A |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
| 240-651
| 0 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2014-05-10 |
|
| 240-651
| 1 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2015-12-16 |
|
| 240-651
| 2 |
Frederick |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2014-08-29 |
|
| 240-651
| 3 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2014-08-30 |
|
| 240-651
| 4 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2015-07-01 |
|
| 240-651
| 5 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2012-06-30 |
|
| 240-651
| 6 |
Frederick |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2014-10-23 |
|
| 240-651
| 7 |
Frederick |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2017-04-06 |
|
| 240-651
| 8 |
Frederick |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2014-11-22 |
|
| 240-651
| 9 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2014-03-23 |
|
| 240-652
| A |
Mechanicsville |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-652
| 0 |
Mechanicsville |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-04-27 |
|
| 240-652
| 1 |
Mechanicsville |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-652
| 2 |
Mechanicsville |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-09-13 |
|
| 240-652
| 3 |
Mechanicsville |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2015-09-29 |
|
| 240-652
| 4 |
Mechanicsville |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
| 240-652
| 5 |
Mechanicsville |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
| 240-652
| 6 |
Mechanicsville |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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