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 |
443-398
| 6 |
Sykesville |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-398
| 7 |
Sykesville |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-398
| 8 |
Sykesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2016-04-22 |
|
443-398
| 9 |
Sykesville |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-05-01 |
|
443-399
| A |
Dundalk |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-399
| 0 |
Dundalk |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-399
| 1 |
Dundalk |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-399
| 2 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
443-399
| 3 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-23 |
|
443-399
| 4 |
Dundalk |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-399
| 5 |
Dundalk |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2020-10-28 |
|
443-399
| 6 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-23 |
|
443-399
| 7 |
Dundalk |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-04-02 |
|
443-399
| 8 |
Dundalk |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-03-19 |
|
443-399
| 9 |
Dundalk |
MD |
BLTQMD010MD |
082H LOCAL ACCESS LLC - MD |
238 |
|
2013-09-06 |
|
443-400
| A |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-400
| 0 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-400
| 1 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-10-11 |
|
443-400
| 2 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-400
| 3 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-06-14 |
|
443-400
| 4 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-10-11 |
|
443-400
| 5 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-400
| 6 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2014-03-27 |
|
443-400
| 7 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-09-13 |
|
443-400
| 8 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2002-05-19 |
|
443-400
| 9 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-10-04 |
|
443-401
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-401
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-16 |
|
443-401
| 1 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-16 |
|
443-401
| 2 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-16 |
|
443-401
| 3 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 4 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 5 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 6 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 7 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 8 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-401
| 9 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-19 |
|
443-402
| A |
Edgewood |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-402
| 0 |
Edgewood |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2006-05-21 |
|
443-402
| 1 |
Edgewood |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2006-05-21 |
|
443-402
| 2 |
Edgewood |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2002-11-18 |
|
443-402
| 3 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
443-402
| 4 |
Edgewood |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2019-07-14 |
|
443-402
| 5 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-06 |
|
443-402
| 6 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-06 |
|
443-402
| 7 |
Edgewood |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2013-10-01 |
|
443-402
| 8 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-06 |
|
443-402
| 9 |
Edgewood |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-403
| A |
Aberdeen |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
443-403
| 0 |
Aberdeen |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
<< 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, 28 Feb 2021 19:06:05 UTC
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