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 |
443-815
| 6 |
Essex |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-815
| 7 |
Essex |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-11-01 |
|
443-815
| 8 |
Essex |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2014-10-10 |
|
443-815
| 9 |
Essex |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2014-11-08 |
|
443-816
| A |
Severna Park |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-816
| 0 |
Severna Park |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-816
| 1 |
Severna Park |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-816
| 2 |
Severna Park |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-816
| 3 |
Severna Park |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-12-27 |
|
443-816
| 4 |
Severna Park |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-04-22 |
|
443-816
| 5 |
Severna Park |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-04-22 |
|
443-816
| 6 |
Severna Park |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-04-22 |
|
443-816
| 7 |
Severna Park |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-04-22 |
|
443-816
| 8 |
Severna Park |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-12-27 |
|
443-816
| 9 |
Severna Park |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-29 |
|
443-817
| A |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 0 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 1 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 2 |
Armiger-Gibson Island |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2006-11-30 |
|
443-817
| 3 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2015-01-12 |
|
443-817
| 4 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 5 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 6 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-817
| 8 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2015-01-12 |
|
443-817
| 9 |
Armiger-Gibson Island |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-818
| A |
Armiger-Gibson Island |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-818
| 0 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-10-01 |
|
443-818
| 1 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-07-01 |
|
443-818
| 2 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-07-01 |
|
443-818
| 3 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-08-22 |
|
443-818
| 4 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-08-22 |
|
443-818
| 5 |
Armiger-Gibson Island |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-02-20 |
|
443-818
| 6 |
Armiger-Gibson Island |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-02-20 |
|
443-818
| 7 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-10-01 |
|
443-818
| 8 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2013-11-22 |
|
443-818
| 9 |
Armiger-Gibson Island |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-02-13 |
|
443-819
| A |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-819
| 0 |
Bel Air |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-05 |
|
443-819
| 1 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-30 |
|
443-819
| 2 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-30 |
|
443-819
| 3 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2016-10-10 |
|
443-819
| 4 |
Bel Air |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-08-22 |
|
443-819
| 5 |
Bel Air |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-12-12 |
|
443-819
| 6 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-10-09 |
|
443-819
| 7 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-10-09 |
|
443-819
| 8 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-03-21 |
|
443-819
| 9 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-03-21 |
|
443-820
| A |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-820
| 0 |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-820
| 1 |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
<< 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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