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 |
443-294
| 3 |
West River |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-07-02 |
|
443-294
| 4 |
West River |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-294
| 5 |
West River |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-03-25 |
|
443-294
| 6 |
West River |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2013-07-19 |
|
443-294
| 7 |
West River |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
443-294
| 8 |
West River |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-294
| 9 |
West River |
MD |
BLTQMD010MD |
082H LOCAL ACCESS LLC - MD |
238 |
|
2015-03-23 |
|
443-295
| A |
Prince Frederick |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-295
| 0 |
Prince Frederick |
MD |
BLTMMD91DS1 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2004-04-02 |
|
443-295
| 1 |
Prince Frederick |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2004-02-05 |
|
443-295
| 2 |
Prince Frederick |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2006-07-31 |
|
443-295
| 3 |
Prince Frederick |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-295
| 4 |
Prince Frederick |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-295
| 5 |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-07-06 |
|
443-295
| 6 |
Prince Frederick |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-03-04 |
|
443-295
| 7 |
Prince Frederick |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2005-03-10 |
|
443-295
| 8 |
Prince Frederick |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2016-06-06 |
|
443-295
| 9 |
Prince Frederick |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-13 |
|
443-296
| A |
Waterloo |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-296
| 0 |
Waterloo |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-296
| 1 |
Waterloo |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-296
| 2 |
Waterloo |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-296
| 3 |
Waterloo |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-01-02 |
|
443-296
| 4 |
Waterloo |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-296
| 5 |
Waterloo |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
443-296
| 6 |
Waterloo |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
2009-07-11 |
|
443-296
| 7 |
Waterloo |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2005-03-10 |
|
443-296
| 8 |
Waterloo |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
2005-08-14 |
|
443-296
| 9 |
Waterloo |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
2005-08-14 |
|
443-297
| A |
Arbutus |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-297
| 0 |
Arbutus |
MD |
BLTMMD91DS1 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2004-03-29 |
|
443-297
| 1 |
Arbutus |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2012-05-14 |
|
443-297
| 2 |
Arbutus |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-08-12 |
|
443-297
| 3 |
Arbutus |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-297
| 4 |
Arbutus |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2013-08-12 |
|
443-297
| 5 |
Arbutus |
MD |
BLTMMDCH08Z |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
238 |
|
2004-02-14 |
|
443-297
| 6 |
Arbutus |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-25 |
|
443-297
| 7 |
Arbutus |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-04 |
|
443-297
| 8 |
Arbutus |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2002-01-09 |
|
443-297
| 9 |
Arbutus |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-298
| A |
Easton |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
|
|
443-298
| 0 |
Easton |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2003-01-06 |
|
443-298
| 1 |
Easton |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2004-12-27 |
|
443-298
| 2 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 3 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 4 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 5 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 6 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 7 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
443-298
| 8 |
Easton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-10-22 |
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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