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 |
443-663
| 4 |
Woodlawn |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-10-05 |
|
443-663
| 5 |
Woodlawn |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-14 |
|
443-663
| 6 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-663
| 7 |
Woodlawn |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-663
| 8 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-663
| 9 |
Woodlawn |
MD |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
443-664
| A |
Ocean City |
MD |
SLBRMDSBX6Y |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-664
| 0 |
Ocean City |
MD |
SLBRMDSBX6Y |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-664
| 1 |
Ocean City |
MD |
SLBRMDSBX6Y |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-664
| 2 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2008-04-30 |
|
443-664
| 3 |
Ocean City |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-08-09 |
|
443-664
| 4 |
Ocean City |
MD |
SLBRMDSBX6Y |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-664
| 5 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2012-05-25 |
|
443-664
| 6 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2006-07-31 |
|
443-664
| 7 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2014-11-17 |
|
443-664
| 8 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2017-07-10 |
|
443-664
| 9 |
Ocean City |
MD |
SLBRMDSBX6Y |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-665
| A |
Nanticoke |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
443-665
| 0 |
Nanticoke |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-04-30 |
|
443-665
| 1 |
Nanticoke |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
443-665
| 2 |
Nanticoke |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2023-05-18 |
|
443-665
| 3 |
Nanticoke |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-06-17 |
|
443-665
| 4 |
Nanticoke |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2006-07-31 |
|
443-665
| 5 |
Nanticoke |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-06-17 |
|
443-665
| 6 |
Nanticoke |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
443-665
| 7 |
Nanticoke |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-06-17 |
|
443-665
| 8 |
Nanticoke |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-04-30 |
|
443-665
| 9 |
Nanticoke |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-04-30 |
|
443-666
| A |
Chestertown |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
|
|
443-666
| 0 |
Chestertown |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2018-01-25 |
|
443-666
| 1 |
Chestertown |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-04-08 |
|
443-666
| 2 |
Chestertown |
MD |
SLBRMDSB8MD |
2589 US LEC OF MARYLAND, INC. |
242 |
|
2014-11-08 |
|
443-666
| 3 |
Chestertown |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2012-08-02 |
|
443-666
| 4 |
Chestertown |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2016-03-11 |
|
443-666
| 5 |
Chestertown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
443-666
| 6 |
Chestertown |
MD |
SLBRMDSBXUX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
242 |
|
2014-10-20 |
|
443-666
| 7 |
Chestertown |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2018-08-27 |
|
443-666
| 8 |
Chestertown |
MD |
SLBRMD902MD |
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
443-666
| 9 |
Chestertown |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
2021-05-10 |
|
443-667
| A |
Delmar |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
443-667
| 0 |
Delmar |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2023-07-20 |
|
443-667
| 5 |
Delmar |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-30 |
|
443-667
| 6 |
Delmar |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-30 |
|
443-667
| 7 |
Delmar |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-30 |
|
443-667
| 8 |
Delmar |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-30 |
|
443-667
| 9 |
Delmar |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-30 |
|
443-668
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-668
| 0 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-668
| 1 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-668
| 2 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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