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 |
443-890
| 8 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-10 |
|
443-890
| 9 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-10 |
|
443-891
| A |
Glen Burnie |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-891
| 0 |
Glen Burnie |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-891
| 1 |
Glen Burnie |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-891
| 2 |
Glen Burnie |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-891
| 3 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-11-01 |
|
443-891
| 4 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2004-10-03 |
|
443-891
| 5 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
443-891
| 6 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
443-891
| 7 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
443-891
| 8 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
443-891
| 9 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
443-892
| A |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
443-892
| 0 |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-10-07 |
|
443-892
| 1 |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-10-10 |
|
443-892
| 2 |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-10-10 |
|
443-892
| 3 |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-10-10 |
|
443-892
| 4 |
New Windsor |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-10-10 |
|
443-892
| 5 |
New Windsor |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-892
| 6 |
New Windsor |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2012-02-24 |
|
443-892
| 7 |
New Windsor |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
443-892
| 8 |
New Windsor |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-892
| 9 |
New Windsor |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-893
| A |
Woodlawn |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-893
| 0 |
Woodlawn |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-893
| 1 |
Woodlawn |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-05-01 |
|
443-893
| 2 |
Woodlawn |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-893
| 3 |
Woodlawn |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2016-04-05 |
|
443-893
| 5 |
Woodlawn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-893
| 6 |
Woodlawn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-893
| 7 |
Woodlawn |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-893
| 8 |
Woodlawn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
443-893
| 9 |
Woodlawn |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
443-894
| A |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2024-02-09 |
|
443-894
| 0 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 1 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 2 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 3 |
Baltimore |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-08-14 |
|
443-894
| 4 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 5 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 6 |
Baltimore |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-08-14 |
|
443-894
| 7 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 8 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-894
| 9 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-14 |
|
443-895
| A |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-895
| 0 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-06-07 |
|
443-895
| 1 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-06-07 |
|
443-895
| 2 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2007-08-06 |
|
443-895
| 3 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2007-08-06 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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