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 |
| 240-433
| 3 |
Washington Zone 12 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2007-10-22 |
|
| 240-433
| 4 |
Washington Zone 12 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-433
| 5 |
Washington Zone 12 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
| 240-433
| 6 |
Washington Zone 12 |
MD |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 240-433
| 7 |
Washington Zone 12 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
| 240-433
| 8 |
Washington Zone 12 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
| 240-433
| 9 |
Washington Zone 12 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-434
| A |
Leonardtown |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-434
| 0 |
Leonardtown |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2012-10-06 |
|
| 240-434
| 1 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2004-11-04 |
|
| 240-434
| 2 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-434
| 3 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-01-02 |
|
| 240-434
| 4 |
Leonardtown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-434
| 5 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-01-02 |
|
| 240-434
| 6 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-07-22 |
|
| 240-434
| 7 |
Leonardtown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-434
| 8 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-02-03 |
|
| 240-434
| 9 |
Leonardtown |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-08-07 |
|
| 240-435
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-435
| 0 |
Waldorf |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2009-07-06 |
|
| 240-435
| 1 |
Waldorf |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2010-06-12 |
|
| 240-435
| 2 |
Waldorf |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-07-02 |
|
| 240-435
| 3 |
Waldorf |
MD |
|
5562 METROPCS, INC. |
236 |
|
2010-07-16 |
|
| 240-435
| 4 |
Waldorf |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-06-26 |
|
| 240-435
| 5 |
Waldorf |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2010-02-16 |
|
| 240-435
| 6 |
Waldorf |
MD |
|
5562 METROPCS, INC. |
236 |
|
2010-09-02 |
|
| 240-435
| 7 |
Waldorf |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-435
| 8 |
Waldorf |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-28 |
|
| 240-435
| 9 |
Waldorf |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-28 |
|
| 240-436
| A |
Buckeystown |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
| 240-436
| 0 |
Buckeystown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2019-06-07 |
|
| 240-436
| 1 |
Buckeystown |
MD |
|
829J PAETEC ITEL, LLC |
240 |
|
2005-04-23 |
|
| 240-436
| 2 |
Buckeystown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2006-08-21 |
|
| 240-436
| 3 |
Buckeystown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2010-11-20 |
|
| 240-436
| 4 |
Buckeystown |
MD |
|
829J PAETEC ITEL, LLC |
240 |
|
2011-02-28 |
|
| 240-436
| 5 |
Buckeystown |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-03-11 |
|
| 240-436
| 6 |
Buckeystown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
| 240-436
| 7 |
Buckeystown |
MD |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
2016-10-26 |
|
| 240-436
| 8 |
Buckeystown |
MD |
|
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
| 240-436
| 9 |
Buckeystown |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2019-06-19 |
|
| 240-437
| A |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-437
| 0 |
Ashton |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-437
| 1 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-03-23 |
|
| 240-437
| 2 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2010-12-02 |
|
| 240-437
| 3 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-07-02 |
|
| 240-437
| 4 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-07-02 |
|
| 240-437
| 5 |
Ashton |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-437
| 6 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-07-15 |
|
| 240-437
| 7 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-07-15 |
|
| 240-437
| 8 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-07-15 |
|
<< 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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