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 |
443-975
| 2 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-08-01 |
|
443-975
| 3 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-03-05 |
|
443-975
| 4 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-05-03 |
|
443-975
| 5 |
Prince Frederick |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2004-10-10 |
|
443-975
| 6 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-08-02 |
|
443-975
| 7 |
Prince Frederick |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2007-01-19 |
|
443-975
| 8 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-11-15 |
|
443-975
| 9 |
Prince Frederick |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2004-01-11 |
|
443-976
| A |
Crofton |
MD |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
|
|
443-977
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-977
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-12-07 |
|
443-977
| 1 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-10-22 |
|
443-977
| 2 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-10-22 |
|
443-977
| 3 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-10-22 |
|
443-977
| 4 |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-12-08 |
|
443-977
| 5 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2007-10-22 |
|
443-977
| 6 |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-12-08 |
|
443-977
| 7 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-01-02 |
|
443-977
| 8 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-03-05 |
|
443-977
| 9 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-03-05 |
|
443-978
| A |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
443-978
| 0 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2012-01-19 |
|
443-978
| 1 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2016-07-14 |
|
443-978
| 2 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METRO PCS, INC. |
242 |
|
2018-10-14 |
|
443-978
| 3 |
Salisbury |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2017-08-20 |
|
443-978
| 4 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-23 |
|
443-978
| 5 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-23 |
|
443-978
| 6 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-23 |
|
443-978
| 7 |
Salisbury |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2016-03-08 |
|
443-978
| 8 |
Salisbury |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2016-01-18 |
|
443-978
| 9 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2016-07-14 |
|
443-979
| A |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-979
| 0 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-01-19 |
|
443-979
| 1 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-07-25 |
|
443-979
| 2 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2014-11-22 |
|
443-979
| 3 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-05-01 |
|
443-979
| 4 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2014-12-29 |
|
443-979
| 5 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2014-12-29 |
|
443-979
| 6 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2015-03-06 |
|
443-979
| 7 |
Columbia |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2014-11-20 |
|
443-979
| 8 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-10-20 |
|
443-979
| 9 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-10-20 |
|
443-980
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 0 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 1 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 2 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 3 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 4 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 5 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-980
| 6 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-04-27 |
|
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Last updated: Sun, 07 Feb 2021 01:52:50 UTC
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