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 |
| 240-556
| A |
Washington Zone 14 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-556
| 0 |
Washington Zone 14 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-556
| 1 |
Washington Zone 14 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-556
| 2 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
| 240-556
| 3 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2015-07-03 |
|
| 240-556
| 4 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2015-09-20 |
|
| 240-556
| 5 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
| 240-556
| 6 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
| 240-556
| 7 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
| 240-556
| 8 |
Washington Zone 14 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-08-14 |
|
| 240-556
| 9 |
Washington Zone 14 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-557
| A |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-557
| 0 |
Washington Zone 6 |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-05-12 |
|
| 240-557
| 1 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-13 |
|
| 240-557
| 2 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2018-01-14 |
|
| 240-557
| 3 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2018-01-14 |
|
| 240-557
| 4 |
Washington Zone 6 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
| 240-557
| 5 |
Washington Zone 6 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
| 240-557
| 6 |
Washington Zone 6 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
| 240-557
| 7 |
Washington Zone 6 |
MD |
WASHDC126MD |
964H BARR TELL USA, INC. |
236 |
|
2018-05-08 |
|
| 240-557
| 8 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
| 240-557
| 9 |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2017-05-11 |
|
| 240-558
| A |
Washington Zone 11 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-558
| 0 |
Washington Zone 11 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-558
| 1 |
Washington Zone 11 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
| 240-558
| 2 |
Washington Zone 11 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-558
| 3 |
Washington Zone 11 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2008-04-30 |
|
| 240-558
| 4 |
Washington Zone 11 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2008-04-30 |
|
| 240-558
| 5 |
Washington Zone 11 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-10-07 |
|
| 240-558
| 6 |
Washington Zone 11 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-30 |
|
| 240-558
| 7 |
Washington Zone 11 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-558
| 8 |
Washington Zone 11 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-558
| 9 |
Washington Zone 11 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-559
| A |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-559
| 0 |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-559
| 1 |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-559
| 2 |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-559
| 3 |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-559
| 4 |
Ashton |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-10-09 |
|
| 240-559
| 5 |
Ashton |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
| 240-559
| 6 |
Ashton |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-10-09 |
|
| 240-559
| 7 |
Ashton |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2012-07-20 |
|
| 240-559
| 8 |
Ashton |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2012-07-20 |
|
| 240-559
| 9 |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-560
| A |
Washington Zone 12 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-560
| 0 |
Washington Zone 12 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-560
| 1 |
Washington Zone 12 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2013-09-06 |
|
| 240-560
| 2 |
Washington Zone 12 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-06-16 |
|
| 240-560
| 3 |
Washington Zone 12 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-06-16 |
|
| 240-560
| 4 |
Washington Zone 12 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2008-02-15 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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