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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 443-200
| A |
Woodlawn |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 0 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 1 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 2 |
Woodlawn |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2006-08-04 |
|
| 443-200
| 3 |
Woodlawn |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2005-03-10 |
|
| 443-200
| 4 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 5 |
Woodlawn |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2006-08-04 |
|
| 443-200
| 6 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 7 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-200
| 9 |
Woodlawn |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
|
|
| 443-201
| A |
Westminster |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 443-201
| 0 |
Westminster |
MD |
|
082H LOCAL ACCESS LLC - MD |
238 |
|
2013-09-06 |
|
| 443-201
| 1 |
Westminster |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-05 |
|
| 443-201
| 2 |
Westminster |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2012-02-27 |
|
| 443-201
| 3 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-10-01 |
|
| 443-201
| 4 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2015-08-31 |
|
| 443-201
| 5 |
Westminster |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-04-02 |
|
| 443-201
| 6 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2012-09-01 |
|
| 443-201
| 7 |
Westminster |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
| 443-201
| 8 |
Westminster |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2013-11-13 |
|
| 443-201
| 9 |
Westminster |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2015-09-04 |
|
| 443-202
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-202
| 0 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 1 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 2 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 3 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 4 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 5 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 6 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 7 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 8 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-202
| 9 |
Baltimore |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-04-01 |
|
| 443-203
| A |
West River |
MD |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 443-203
| 0 |
West River |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 443-203
| 1 |
West River |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-04-03 |
|
| 443-203
| 2 |
West River |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
2008-06-20 |
|
| 443-203
| 3 |
West River |
MD |
|
4773 XO MARYLAND, LLC |
238 |
|
2007-04-20 |
|
| 443-203
| 4 |
West River |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-08-20 |
|
| 443-203
| 5 |
West River |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-31 |
|
| 443-203
| 6 |
West River |
MD |
|
318J COMCAST IP PHONE LLC |
238 |
|
2005-03-10 |
|
| 443-203
| 7 |
West River |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-25 |
|
| 443-203
| 8 |
West River |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-06-26 |
|
| 443-203
| 9 |
West River |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
| 443-204
| A |
Pikesville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 443-204
| 0 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2003-07-06 |
|
| 443-204
| 1 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2003-07-06 |
|
| 443-204
| 2 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2003-07-06 |
|
| 443-204
| 3 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2003-07-06 |
|
| 443-204
| 4 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-02-01 |
|
| 443-204
| 5 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2007-01-25 |
|
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 >>
Last updated: Mon, 24 May 2021 01:28:43 UTC
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