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 |
443-282
| 4 |
Chestertown |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-06-14 |
|
443-282
| 5 |
Chestertown |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2011-05-02 |
|
443-282
| 6 |
Chestertown |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2004-12-10 |
|
443-282
| 7 |
Chestertown |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2004-12-10 |
|
443-282
| 8 |
Chestertown |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2011-03-23 |
|
443-282
| 9 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-04-13 |
|
443-283
| A |
Columbia |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-284
| A |
Waterloo |
MD |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-284
| 0 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-23 |
|
443-284
| 1 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-23 |
|
443-284
| 2 |
Waterloo |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-05-02 |
|
443-284
| 3 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-284
| 4 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-284
| 5 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-284
| 6 |
Waterloo |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-05-02 |
|
443-284
| 7 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-23 |
|
443-284
| 8 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-23 |
|
443-284
| 9 |
Waterloo |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-23 |
|
443-285
| A |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 0 |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 1 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-04-20 |
|
443-285
| 2 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-09-29 |
|
443-285
| 3 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-08-19 |
|
443-285
| 4 |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 5 |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 6 |
Columbia |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-285
| 7 |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 8 |
Columbia |
MD |
CLMAMDSRRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-285
| 9 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-09-29 |
|
443-286
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-287
| A |
Baltimore |
MD |
BLTMMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-288
| A |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 0 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 1 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 2 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 3 |
Ellicott City |
MD |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-10-24 |
|
443-288
| 4 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 5 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 6 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 7 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 8 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-288
| 9 |
Ellicott City |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-289
| A |
Westminster |
MD |
BLTOMDKHDS0 |
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-289
| 0 |
Westminster |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-15 |
|
443-289
| 1 |
Westminster |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-15 |
|
443-289
| 2 |
Westminster |
MD |
BLTOMDKHDS0 |
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
238 |
|
2011-06-30 |
|
443-289
| 3 |
Westminster |
MD |
BLTOMDKHDS0 |
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
238 |
|
2011-06-30 |
|
443-289
| 4 |
Westminster |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-10-10 |
|
443-289
| 5 |
Westminster |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-10-10 |
|
443-289
| 6 |
Westminster |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-10-10 |
|
<< 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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