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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
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 |
BLTMMDCHXHY |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2005-05-08 |
|
443-350
| 9 |
Elkton |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2005-07-25 |
|
443-351
| A |
Odenton |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 0 |
Odenton |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 1 |
Odenton |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 2 |
Odenton |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-351
| 3 |
Odenton |
MD |
CLMAMDJTDS0 |
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 METRO PCS, INC. |
238 |
|
2017-01-19 |
|
443-351
| 6 |
Odenton |
MD |
|
5562 METRO PCS, INC. |
238 |
|
2021-02-07 |
|
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 |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-352
| A |
Pikesville |
MD |
BLTMMDCHDS7 |
7421 AT&T LOCAL |
238 |
|
|
|
443-352
| 0 |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2007-09-11 |
|
443-352
| 1 |
Pikesville |
MD |
BLTMMDCHDMD |
551G BRIGHTLINK COMMUNICATIONS, LLC |
238 |
|
2016-08-31 |
|
443-352
| 2 |
Pikesville |
MD |
BLTMMD91GT0 |
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 |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-03-29 |
|
443-352
| 7 |
Pikesville |
MD |
BLTMMDCHDS7 |
7421 AT&T LOCAL |
238 |
|
|
|
443-352
| 8 |
Pikesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2007-08-13 |
|
443-352
| 9 |
Pikesville |
MD |
|
551G BRIGHTLINK COMMUNICATIONS, 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 |
|
443-353
| 8 |
Cockeysville |
MD |
BLTQMD010MD |
082H LOCAL ACCESS LLC - MD |
238 |
|
2016-01-04 |
|
443-353
| 9 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-354
| A |
Glen Burnie |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-354
| 0 |
Glen Burnie |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2009-06-09 |
|
443-354
| 1 |
Glen Burnie |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2013-06-16 |
|
443-354
| 2 |
Glen Burnie |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2009-06-09 |
|
443-354
| 3 |
Glen Burnie |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2013-05-30 |
|
443-354
| 4 |
Glen Burnie |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-354
| 5 |
Glen Burnie |
MD |
BLTOMDKHDS0 |
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
238 |
|
2009-11-05 |
|
443-354
| 6 |
Glen Burnie |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-06-14 |
|
443-354
| 7 |
Glen Burnie |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-06-14 |
|
443-354
| 8 |
Glen Burnie |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-06 |
|
<< 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 >>
Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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