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 |
443-876
| 2 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-07-09 |
|
443-876
| 3 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2006-07-27 |
|
443-876
| 4 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2006-01-13 |
|
443-876
| 5 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2005-09-29 |
|
443-876
| 6 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-02-23 |
|
443-876
| 7 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-02-23 |
|
443-876
| 8 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-07-09 |
|
443-876
| 9 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-07-09 |
|
443-877
| A |
North East |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-877
| 0 |
North East |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
443-877
| 1 |
North East |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-02-04 |
|
443-877
| 2 |
North East |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-10-16 |
|
443-877
| 3 |
North East |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2018-10-19 |
|
443-877
| 4 |
North East |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-877
| 5 |
North East |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-02-13 |
|
443-877
| 6 |
North East |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2007-12-30 |
|
443-877
| 7 |
North East |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-05-02 |
|
443-877
| 8 |
North East |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-01-08 |
|
443-877
| 9 |
North East |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-02-13 |
|
443-878
| A |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-878
| 0 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-02-16 |
|
443-878
| 1 |
Columbia |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2005-08-25 |
|
443-878
| 2 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-09-20 |
|
443-878
| 3 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-03-04 |
|
443-878
| 4 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-04-01 |
|
443-878
| 5 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-04-24 |
|
443-878
| 6 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-04-24 |
|
443-878
| 7 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-02-03 |
|
443-878
| 8 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-07-22 |
|
443-878
| 9 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-04-24 |
|
443-879
| A |
Dundalk |
MD |
DNDLMDDNDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-879
| 0 |
Dundalk |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-04-30 |
|
443-879
| 1 |
Dundalk |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2006-01-20 |
|
443-879
| 2 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-09-05 |
|
443-879
| 3 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-16 |
|
443-879
| 4 |
Dundalk |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-11-11 |
|
443-879
| 5 |
Dundalk |
MD |
DNDLMDDNDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-08-09 |
|
443-879
| 6 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2018-07-28 |
|
443-879
| 7 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
443-879
| 8 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
443-879
| 9 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-880
| A |
Salisbury |
MD |
WYMLMDMWEMD |
7421 AT&T LOCAL |
242 |
|
|
|
443-880
| 0 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2003-08-03 |
|
443-880
| 1 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2006-02-03 |
|
443-880
| 2 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2003-08-19 |
|
443-880
| 3 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2003-11-03 |
|
443-880
| 4 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2003-12-19 |
|
443-880
| 5 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2004-04-01 |
|
443-880
| 6 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2004-05-02 |
|
443-880
| 7 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2004-02-17 |
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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