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 |
443-899
| 6 |
Waterloo |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-05-02 |
|
443-899
| 7 |
Waterloo |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-899
| 8 |
Waterloo |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-899
| 9 |
Waterloo |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-900
| A |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-900
| 0 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 1 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 2 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 3 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 4 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 5 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-21 |
|
443-900
| 6 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-09-01 |
|
443-900
| 7 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-09-01 |
|
443-900
| 8 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-09-01 |
|
443-900
| 9 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-11-01 |
|
443-901
| A |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-901
| 0 |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-901
| 1 |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-901
| 2 |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-901
| 3 |
Towson |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-08-09 |
|
443-901
| 4 |
Towson |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-08-09 |
|
443-901
| 5 |
Towson |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-08-09 |
|
443-901
| 6 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2020-06-30 |
|
443-901
| 7 |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-901
| 9 |
Towson |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-902
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-902
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-03-10 |
|
443-902
| 1 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-03-10 |
|
443-902
| 2 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-03-10 |
|
443-902
| 3 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-03-10 |
|
443-902
| 4 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-03-10 |
|
443-902
| 5 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-11 |
|
443-902
| 6 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-11 |
|
443-902
| 7 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-11 |
|
443-902
| 8 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-11 |
|
443-902
| 9 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-11 |
|
443-903
| A |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-903
| 0 |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-11-06 |
|
443-903
| 1 |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2014-08-01 |
|
443-903
| 2 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
443-903
| 3 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
443-903
| 4 |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2015-08-01 |
|
443-903
| 5 |
Bel Air |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2014-03-22 |
|
443-903
| 6 |
Bel Air |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-11-28 |
|
443-903
| 7 |
Bel Air |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-11-28 |
|
443-903
| 8 |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2014-04-01 |
|
443-903
| 9 |
Bel Air |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-05-22 |
|
443-904
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-904
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-904
| 1 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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, 07 Feb 2021 01:52:50 UTC
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