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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-367
| 3 |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-367
| 4 |
Columbia |
MD |
CLMAMDJTBMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2007-06-15 |
|
443-367
| 5 |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-367
| 6 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-03-28 |
|
443-367
| 7 |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-367
| 8 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-28 |
|
443-367
| 9 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-04-03 |
|
443-368
| A |
Westminster |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-369
| A |
Bel Air |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-370
| A |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-370
| 0 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-370
| 1 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-31 |
|
443-370
| 2 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-31 |
|
443-370
| 3 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-31 |
|
443-370
| 4 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-02-18 |
|
443-370
| 5 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-31 |
|
443-370
| 6 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-31 |
|
443-370
| 7 |
Annapolis |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-09-01 |
|
443-370
| 8 |
Annapolis |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-09-20 |
|
443-370
| 9 |
Annapolis |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-02-03 |
|
443-371
| A |
Bel Air |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-371
| 0 |
Bel Air |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-26 |
|
443-371
| 1 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
443-371
| 2 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2013-09-30 |
|
443-371
| 3 |
Bel Air |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-11-28 |
|
443-371
| 4 |
Bel Air |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2006-04-08 |
|
443-371
| 5 |
Bel Air |
MD |
BLTQMD018MD |
145J TERRA NOVA TELECOM INC. |
238 |
|
2023-08-06 |
|
443-371
| 6 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-09-20 |
|
443-371
| 7 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-09-20 |
|
443-371
| 8 |
Bel Air |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-09-24 |
|
443-371
| 9 |
Bel Air |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-01 |
|
443-372
| A |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 0 |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 1 |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 2 |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 3 |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 4 |
Edgewood |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-07-17 |
|
443-372
| 5 |
Edgewood |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2008-06-03 |
|
443-372
| 6 |
Edgewood |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2003-12-01 |
|
443-372
| 7 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-09-09 |
|
443-372
| 8 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-09-09 |
|
443-372
| 9 |
Edgewood |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-373
| A |
Ocean City |
MD |
|
5562 METROPCS, INC. |
242 |
|
|
|
443-373
| 0 |
Ocean City |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-04-14 |
|
443-373
| 1 |
Ocean City |
MD |
SLBRMDSCXMD |
5562 METROPCS, INC. |
242 |
|
|
|
443-373
| 2 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2016-12-04 |
|
443-373
| 3 |
Ocean City |
MD |
SLBRMDSCXMD |
5562 METROPCS, INC. |
242 |
|
|
|
443-373
| 4 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2019-11-26 |
|
443-373
| 6 |
Ocean City |
MD |
SLBRMD906MD |
145J TERRA NOVA TELECOM INC. |
242 |
|
2022-11-07 |
|
443-373
| 7 |
Ocean City |
MD |
SLBRMDSCXMD |
5562 METROPCS, INC. |
242 |
|
2004-11-01 |
|
<< 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 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.