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 |
443-456
| 8 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2017-05-29 |
|
443-456
| 9 |
Edgewood |
MD |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2015-06-11 |
|
443-457
| A |
Brooklyn Park-Linthicum |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-457
| 0 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-02-25 |
|
443-457
| 1 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHW29 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2003-03-26 |
|
443-457
| 2 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-24 |
|
443-457
| 3 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-05 |
|
443-457
| 4 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2015-06-05 |
|
443-457
| 5 |
Brooklyn Park-Linthicum |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-457
| 6 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-02-27 |
|
443-457
| 7 |
Brooklyn Park-Linthicum |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2004-09-05 |
|
443-457
| 8 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-01-09 |
|
443-457
| 9 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-24 |
|
443-458
| A |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 0 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 1 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 2 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-09-12 |
|
443-458
| 3 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-09-12 |
|
443-458
| 4 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 5 |
Annapolis |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-08-13 |
|
443-458
| 6 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 7 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-458
| 8 |
Annapolis |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-07-02 |
|
443-458
| 9 |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-459
| A |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-459
| 0 |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-459
| 1 |
Elkridge |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-10-21 |
|
443-459
| 2 |
Elkridge |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2005-02-15 |
|
443-459
| 3 |
Elkridge |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2004-09-09 |
|
443-459
| 4 |
Elkridge |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-08-13 |
|
443-459
| 5 |
Elkridge |
MD |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2005-12-12 |
|
443-459
| 6 |
Elkridge |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-09-19 |
|
443-459
| 7 |
Elkridge |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-11-07 |
|
443-459
| 8 |
Elkridge |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2005-12-12 |
|
443-459
| 9 |
Elkridge |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2005-12-12 |
|
443-460
| A |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 0 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 1 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 2 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 3 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 4 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 5 |
Essex |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-27 |
|
443-460
| 6 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 7 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-460
| 8 |
Essex |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-03-31 |
|
443-460
| 9 |
Essex |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-461
| A |
Parkville |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-461
| 0 |
Parkville |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-461
| 1 |
Parkville |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-461
| 2 |
Parkville |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
<< 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: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.