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 |
443-759
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-759
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-12-27 |
|
443-759
| 1 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-08 |
|
443-759
| 2 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-08 |
|
443-759
| 3 |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-08 |
|
443-759
| 4 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-759
| 5 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-759
| 6 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-759
| 7 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-759
| 8 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-759
| 9 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-01 |
|
443-760
| A |
Aberdeen |
MD |
BLTMMDCHDS7 |
7421 AT&T LOCAL |
236 |
|
|
|
443-760
| 0 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 1 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 2 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2009-05-14 |
|
443-760
| 3 |
Aberdeen |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
236 |
|
2010-03-08 |
|
443-760
| 4 |
Aberdeen |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-01-14 |
|
443-760
| 5 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 6 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 7 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 8 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-01-24 |
|
443-760
| 9 |
Aberdeen |
MD |
BLTMMDCHDS7 |
7421 AT&T LOCAL |
236 |
|
|
|
443-761
| A |
Towson |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-761
| 0 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-06-15 |
|
443-761
| 1 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-03-16 |
|
443-761
| 2 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-06-15 |
|
443-761
| 3 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-06-27 |
|
443-761
| 4 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-06-27 |
|
443-761
| 5 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-06-27 |
|
443-761
| 6 |
Towson |
MD |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2008-09-19 |
|
443-761
| 7 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-28 |
|
443-761
| 8 |
Towson |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-08-01 |
|
443-761
| 9 |
Towson |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-02 |
|
443-762
| A |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-763
| A |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-763
| 0 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-01-21 |
|
443-763
| 1 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-04-24 |
|
443-763
| 2 |
Glen Burnie |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2005-04-21 |
|
443-763
| 3 |
Glen Burnie |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-08-10 |
|
443-763
| 4 |
Glen Burnie |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-08-13 |
|
443-763
| 5 |
Glen Burnie |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-08-13 |
|
443-763
| 6 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-09-09 |
|
443-763
| 7 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2013-07-29 |
|
443-763
| 8 |
Glen Burnie |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-05-01 |
|
443-763
| 9 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
443-764
| A |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-764
| 0 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-09-05 |
|
443-764
| 1 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-09-05 |
|
443-764
| 2 |
Glen Burnie |
MD |
CLMAMDNIDS1 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2010-07-15 |
|
443-764
| 3 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-06-18 |
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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