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 |
443-362
| 8 |
Easton |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2015-03-16 |
|
443-362
| 9 |
Easton |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2014-03-22 |
|
443-363
| A |
Severn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-363
| 0 |
Severn |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-14 |
|
443-363
| 1 |
Severn |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-14 |
|
443-363
| 2 |
Severn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-10-23 |
|
443-363
| 3 |
Severn |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2019-03-31 |
|
443-363
| 4 |
Severn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-363
| 5 |
Severn |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-14 |
|
443-363
| 6 |
Severn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-363
| 7 |
Severn |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2018-10-05 |
|
443-363
| 8 |
Severn |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-25 |
|
443-363
| 9 |
Severn |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2020-12-31 |
|
443-364
| A |
Ellicott City |
MD |
CLMAMDNIDS1 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-364
| 0 |
Ellicott City |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-08-27 |
|
443-364
| 1 |
Ellicott City |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2018-04-29 |
|
443-364
| 2 |
Ellicott City |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2007-05-23 |
|
443-364
| 3 |
Ellicott City |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-02-29 |
|
443-364
| 4 |
Ellicott City |
MD |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2008-07-26 |
|
443-364
| 5 |
Ellicott City |
MD |
CLMAMDNIDS1 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-364
| 6 |
Ellicott City |
MD |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-02-11 |
|
443-364
| 7 |
Ellicott City |
MD |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-02-11 |
|
443-364
| 8 |
Ellicott City |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-364
| 9 |
Ellicott City |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2007-07-27 |
|
443-365
| A |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-365
| 0 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-365
| 1 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-365
| 2 |
Salisbury |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2008-03-13 |
|
443-365
| 3 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2008-12-04 |
|
443-365
| 4 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2008-10-03 |
|
443-365
| 5 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2008-10-03 |
|
443-365
| 6 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-365
| 7 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-02-02 |
|
443-365
| 8 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2013-12-09 |
|
443-365
| 9 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-366
| A |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
|
|
443-366
| 0 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-366
| 1 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
|
|
443-366
| 2 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2004-09-02 |
|
443-366
| 3 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
|
|
443-366
| 4 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2005-05-02 |
|
443-366
| 5 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2005-05-02 |
|
443-366
| 6 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
2005-01-18 |
|
443-366
| 7 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2004-10-20 |
|
443-366
| 8 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
2004-11-19 |
|
443-366
| 9 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-367
| A |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-367
| 0 |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-367
| 1 |
Columbia |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-07-02 |
|
443-367
| 2 |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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