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 |
| 240-509
| 8 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-05 |
|
| 240-509
| 9 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-01-02 |
|
| 240-510
| A |
Washington Zone 15 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-510
| 0 |
Washington Zone 15 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-510
| 1 |
Washington Zone 15 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-03-26 |
|
| 240-510
| 2 |
Washington Zone 15 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-03-26 |
|
| 240-510
| 3 |
Washington Zone 15 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2013-01-12 |
|
| 240-510
| 4 |
Washington Zone 15 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
| 240-510
| 5 |
Washington Zone 15 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-11-25 |
|
| 240-510
| 6 |
Washington Zone 15 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
| 240-510
| 7 |
Washington Zone 15 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2014-05-10 |
|
| 240-510
| 8 |
Washington Zone 15 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2014-08-22 |
|
| 240-510
| 9 |
Washington Zone 15 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-512
| A |
Washington Zone 13 (Baltimore LATA) |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 240-512
| 0 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2013-05-09 |
|
| 240-512
| 1 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 240-512
| 2 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2007-12-03 |
|
| 240-512
| 3 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-10-01 |
|
| 240-512
| 4 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-07-15 |
|
| 240-512
| 5 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2012-11-23 |
|
| 240-512
| 6 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2018-05-31 |
|
| 240-512
| 7 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2014-06-25 |
|
| 240-512
| 8 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 240-512
| 9 |
Washington Zone 13 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 240-513
| A |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
| 240-513
| 0 |
Hagerstown |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2014-09-21 |
|
| 240-513
| 1 |
Hagerstown |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2011-12-03 |
|
| 240-513
| 2 |
Hagerstown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2013-11-17 |
|
| 240-513
| 3 |
Hagerstown |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2013-12-06 |
|
| 240-513
| 4 |
Hagerstown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2015-08-01 |
|
| 240-513
| 5 |
Hagerstown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2015-05-01 |
|
| 240-513
| 6 |
Hagerstown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-14 |
|
| 240-513
| 7 |
Hagerstown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-14 |
|
| 240-513
| 8 |
Hagerstown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-14 |
|
| 240-513
| 9 |
Hagerstown |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2015-10-09 |
|
| 240-514
| A |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-514
| 0 |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-514
| 1 |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-514
| 2 |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-514
| 3 |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-514
| 4 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-03-25 |
|
| 240-514
| 5 |
Washington Zone 11 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-514
| 6 |
Washington Zone 11 |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-19 |
|
| 240-514
| 7 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
| 240-514
| 8 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
| 240-514
| 9 |
Washington Zone 11 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-24 |
|
| 240-515
| A |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-515
| 0 |
Washington Zone 2 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
| 240-515
| 1 |
Washington Zone 2 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
| 240-515
| 2 |
Washington Zone 2 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2004-01-31 |
|
<< 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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