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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-396
| 7 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2018-05-27 |
|
443-396
| 8 |
Odenton |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-396
| 9 |
Odenton |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2020-04-02 |
|
443-397
| A |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
443-397
| 0 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-06-06 |
|
443-397
| 1 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-03-13 |
|
443-397
| 2 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-09-03 |
|
443-397
| 3 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-10-02 |
|
443-397
| 4 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-10-14 |
|
443-397
| 5 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-10-14 |
|
443-397
| 6 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-01-16 |
|
443-397
| 7 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2009-08-01 |
|
443-397
| 8 |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-02-16 |
|
443-397
| 9 |
Salisbury |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2010-03-28 |
|
443-398
| A |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 0 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 1 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 2 |
Sykesville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-02-26 |
|
443-398
| 3 |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-02-29 |
|
443-398
| 4 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 5 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 6 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 7 |
Sykesville |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-398
| 8 |
Sykesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2016-04-22 |
|
443-398
| 9 |
Sykesville |
MD |
|
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 |
BLTMMDDN2MD |
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 |
|
515J IP HORIZON LLC |
238 |
|
2013-09-06 |
|
443-400
| A |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-400
| 0 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-400
| 1 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2013-10-11 |
|
443-400
| 2 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-400
| 3 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2013-06-14 |
|
443-400
| 4 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2013-10-11 |
|
443-400
| 5 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-400
| 6 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHFMD |
5562 METROPCS, 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 METROPCS, 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 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 >>
Last updated: Sat, 01 Jun 2024 11:59:14 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.