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 |
443-371
| 2 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2013-09-30 |
|
443-371
| 3 |
Bel Air |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-11-28 |
|
443-371
| 4 |
Bel Air |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2006-04-08 |
|
443-371
| 5 |
Bel Air |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2006-05-27 |
|
443-371
| 6 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2007-09-20 |
|
443-371
| 7 |
Bel Air |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2007-09-20 |
|
443-371
| 8 |
Bel Air |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-05-13 |
|
443-371
| 9 |
Bel Air |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-01 |
|
443-372
| A |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 0 |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 1 |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 2 |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 3 |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-372
| 4 |
Edgewood |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2002-05-02 |
|
443-372
| 5 |
Edgewood |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-06-03 |
|
443-372
| 6 |
Edgewood |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2003-12-01 |
|
443-372
| 7 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-09-09 |
|
443-372
| 8 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-09-09 |
|
443-372
| 9 |
Edgewood |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-373
| A |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
|
|
443-373
| 0 |
Ocean City |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-04-14 |
|
443-373
| 1 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
|
|
443-373
| 2 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2016-12-04 |
|
443-373
| 3 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
|
|
443-373
| 4 |
Ocean City |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2019-11-26 |
|
443-373
| 5 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2007-07-09 |
|
443-373
| 6 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2007-07-09 |
|
443-373
| 7 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2004-11-01 |
|
443-373
| 8 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
2004-10-13 |
|
443-373
| 9 |
Ocean City |
MD |
SLBRMDSBRMD |
6664 SPRINT SPECTRUM L.P. |
242 |
|
|
|
443-374
| A |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-374
| 0 |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-374
| 1 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-06-24 |
|
443-374
| 2 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-06-24 |
|
443-374
| 3 |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-374
| 4 |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-374
| 5 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-06-24 |
|
443-374
| 6 |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-374
| 7 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-08-08 |
|
443-374
| 8 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-08-08 |
|
443-374
| 9 |
Aberdeen |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
236 |
|
|
|
443-375
| A |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-375
| 0 |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-375
| 1 |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-375
| 2 |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-375
| 3 |
Hampstead |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-04 |
|
443-375
| 4 |
Hampstead |
MD |
BLTMMDCH08Z |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
238 |
|
2004-02-14 |
|
443-375
| 5 |
Hampstead |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-375
| 6 |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-375
| 7 |
Hampstead |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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