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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-209
| 1 |
Havre de Grace |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-209
| 2 |
Havre de Grace |
MD |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
443-209
| 3 |
Havre de Grace |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-209
| 4 |
Havre de Grace |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-209
| 5 |
Havre de Grace |
MD |
PIVLMDPKFMD |
5966 LIGHTWAVE COMMUNICATIONS, LLC - MD |
238 |
|
2005-10-07 |
|
443-209
| 6 |
Havre de Grace |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2020-10-16 |
|
443-209
| 7 |
Havre de Grace |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2009-03-02 |
|
443-209
| 8 |
Havre de Grace |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-209
| 9 |
Havre de Grace |
MD |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-210
| A |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
|
|
443-210
| 0 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2015-06-21 |
|
443-210
| 1 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2015-06-21 |
|
443-210
| 2 |
Salisbury |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2013-03-07 |
|
443-210
| 3 |
Salisbury |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
2011-11-18 |
|
443-210
| 4 |
Salisbury |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2014-10-23 |
|
443-210
| 5 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
2016-10-01 |
|
443-210
| 6 |
Salisbury |
MD |
SLBRMDSC2MD |
5562 METROPCS, INC. |
242 |
|
2016-11-23 |
|
443-210
| 7 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2011-11-14 |
|
443-210
| 8 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2011-11-14 |
|
443-210
| 9 |
Salisbury |
MD |
SLBRMD906MD |
145J TERRA NOVA TELECOM INC. |
242 |
|
2023-11-16 |
|
443-212
| A |
Sparks-Glencoe |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-212
| 1 |
Sparks-Glencoe |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2003-03-29 |
|
443-212
| 2 |
Sparks-Glencoe |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
443-212
| 3 |
Sparks-Glencoe |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
443-212
| 4 |
Sparks-Glencoe |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2004-09-28 |
|
443-212
| 5 |
Sparks-Glencoe |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
443-212
| 7 |
Sparks-Glencoe |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-07-01 |
|
443-212
| 8 |
Sparks-Glencoe |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-02-22 |
|
443-212
| 9 |
Sparks-Glencoe |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-05-21 |
|
443-213
| A |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-213
| 0 |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-09-07 |
|
443-213
| 1 |
Pikesville |
MD |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2006-09-11 |
|
443-213
| 2 |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-09-26 |
|
443-213
| 3 |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-09-26 |
|
443-213
| 5 |
Pikesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-07-13 |
|
443-213
| 6 |
Pikesville |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2003-09-26 |
|
443-213
| 7 |
Pikesville |
MD |
CLMAMDJTBMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2016-12-07 |
|
443-213
| 8 |
Pikesville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2011-06-28 |
|
443-214
| A |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-214
| 0 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-02-22 |
|
443-214
| 1 |
Annapolis |
MD |
|
515J IP HORIZON LLC |
238 |
|
2013-09-06 |
|
443-214
| 2 |
Annapolis |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2013-03-16 |
|
443-214
| 3 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2013-08-10 |
|
443-214
| 4 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2013-07-16 |
|
443-214
| 5 |
Annapolis |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2013-09-30 |
|
443-214
| 6 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2013-10-11 |
|
443-214
| 7 |
Annapolis |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2011-12-17 |
|
443-214
| 8 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2012-02-23 |
|
443-214
| 9 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2012-02-23 |
|
443-215
| A |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
<< 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 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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