Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
<< 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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-348
| 2 |
Woodlawn |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-348
| 3 |
Woodlawn |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-12-02 |
|
443-348
| 4 |
Woodlawn |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-348
| 5 |
Woodlawn |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-10-06 |
|
443-348
| 6 |
Woodlawn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
443-348
| 7 |
Woodlawn |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2011-11-11 |
|
443-348
| 8 |
Woodlawn |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-05-16 |
|
443-349
| A |
Silver Run |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-350
| A |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 0 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 1 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 2 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 3 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 4 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 5 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 6 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 7 |
Elkton |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-350
| 8 |
Elkton |
MD |
BLTMMDCHXOY |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
238 |
|
2005-05-08 |
|
443-350
| 9 |
Elkton |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-07-25 |
|
443-351
| A |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 0 |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 1 |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 2 |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 3 |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 4 |
Odenton |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-03 |
|
443-351
| 5 |
Odenton |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2017-01-19 |
|
443-351
| 6 |
Odenton |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-03-01 |
|
443-351
| 7 |
Odenton |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-10-28 |
|
443-351
| 8 |
Odenton |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-02-27 |
|
443-351
| 9 |
Odenton |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-352
| A |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-352
| 0 |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2007-09-11 |
|
443-352
| 1 |
Pikesville |
MD |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
2016-08-31 |
|
443-352
| 2 |
Pikesville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-03-29 |
|
443-352
| 3 |
Pikesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-08-13 |
|
443-352
| 4 |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-10-30 |
|
443-352
| 5 |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-10-30 |
|
443-352
| 6 |
Pikesville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-03-29 |
|
443-352
| 7 |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-352
| 8 |
Pikesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-08-13 |
|
443-352
| 9 |
Pikesville |
MD |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
2016-08-31 |
|
443-353
| A |
Cockeysville |
MD |
CYVLMDDADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-353
| 0 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-10-26 |
|
443-353
| 1 |
Cockeysville |
MD |
CYVLMDDADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2004-05-05 |
|
443-353
| 2 |
Cockeysville |
MD |
CYVLMDDADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2004-05-05 |
|
443-353
| 3 |
Cockeysville |
MD |
CYVLMDDADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2004-05-05 |
|
443-353
| 4 |
Cockeysville |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
2012-04-26 |
|
443-353
| 5 |
Cockeysville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2015-04-10 |
|
443-353
| 6 |
Cockeysville |
MD |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2008-06-09 |
|
443-353
| 7 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-04 |
|
<< 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 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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