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 |
443-308
| 4 |
Severn |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-308
| 5 |
Severn |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-308
| 6 |
Severn |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2019-11-29 |
|
443-308
| 7 |
Severn |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2017-10-01 |
|
443-308
| 8 |
Severn |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-14 |
|
443-308
| 9 |
Severn |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-309
| A |
Elkton |
MD |
BLTMMDCHXHY |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-310
| A |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-312
| A |
Brooklyn Park-Linthicum |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-312
| 0 |
Brooklyn Park-Linthicum |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-312
| 1 |
Brooklyn Park-Linthicum |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-312
| 2 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-01-02 |
|
443-312
| 3 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-01-02 |
|
443-312
| 4 |
Brooklyn Park-Linthicum |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-312
| 6 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2005-03-10 |
|
443-312
| 7 |
Brooklyn Park-Linthicum |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-08-05 |
|
443-312
| 8 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2008-02-11 |
|
443-312
| 9 |
Brooklyn Park-Linthicum |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-313
| A |
Fork |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-313
| 0 |
Fork |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-313
| 1 |
Fork |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-313
| 2 |
Fork |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-313
| 3 |
Fork |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2015-03-19 |
|
443-313
| 4 |
Fork |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-313
| 5 |
Fork |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-313
| 6 |
Fork |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
443-313
| 7 |
Fork |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
443-313
| 8 |
Fork |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-313
| 9 |
Fork |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-314
| A |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-314
| 0 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 1 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 2 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 3 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 4 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 5 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 6 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 7 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 8 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-314
| 9 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2011-03-18 |
|
443-315
| A |
Catonsville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-315
| 0 |
Catonsville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-315
| 1 |
Catonsville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-315
| 2 |
Catonsville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2013-08-01 |
|
443-315
| 3 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-02-05 |
|
443-315
| 4 |
Catonsville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
238 |
|
|
|
443-315
| 5 |
Catonsville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2012-05-26 |
|
443-315
| 6 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-02-05 |
|
443-315
| 7 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-02-05 |
|
443-315
| 8 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-02-05 |
|
<< 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 >>
Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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