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 |
443-764
| 4 |
Glen Burnie |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-09-02 |
|
443-764
| 5 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-11-07 |
|
443-764
| 6 |
Glen Burnie |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-11-16 |
|
443-764
| 7 |
Glen Burnie |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-12 |
|
443-764
| 8 |
Glen Burnie |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
443-764
| 9 |
Glen Burnie |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2009-07-13 |
|
443-765
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-765
| 0 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-765
| 1 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 2 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 3 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 4 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 5 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 6 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 7 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 8 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-19 |
|
443-765
| 9 |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-04-27 |
|
443-766
| A |
Columbia |
MD |
CLMAMDJTDSA |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-766
| 0 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-12-14 |
|
443-766
| 1 |
Columbia |
MD |
CLMAMDJTDSA |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2005-07-09 |
|
443-766
| 2 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-08-03 |
|
443-766
| 3 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-08-03 |
|
443-766
| 4 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2015-10-01 |
|
443-766
| 5 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2015-09-03 |
|
443-766
| 6 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2015-11-03 |
|
443-766
| 7 |
Columbia |
MD |
CLMAMDJTDSA |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2006-07-15 |
|
443-766
| 8 |
Columbia |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2015-10-30 |
|
443-766
| 9 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-01-14 |
|
443-767
| A |
Worthington |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-767
| 0 |
Worthington |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-767
| 1 |
Worthington |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-06-11 |
|
443-767
| 2 |
Worthington |
MD |
BLTMMD91DS1 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2004-04-02 |
|
443-767
| 3 |
Worthington |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-06-11 |
|
443-767
| 4 |
Worthington |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
443-767
| 5 |
Worthington |
MD |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL INC |
238 |
|
2020-12-26 |
|
443-767
| 6 |
Worthington |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-03-29 |
|
443-767
| 7 |
Worthington |
MD |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2008-09-08 |
|
443-767
| 8 |
Worthington |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-767
| 9 |
Worthington |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-768
| A |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
|
|
443-769
| A |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-769
| 0 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-08-01 |
|
443-769
| 1 |
Baltimore |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2008-12-21 |
|
443-769
| 2 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-08-01 |
|
443-769
| 3 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-08-01 |
|
443-769
| 4 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-07-16 |
|
443-769
| 5 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-07-16 |
|
443-769
| 6 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-07-16 |
|
443-769
| 7 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-07-16 |
|
443-769
| 8 |
Baltimore |
MD |
EKRGMD92MMD |
6664 SPRINT SPECTRUM L.P. |
238 |
|
2010-07-16 |
|
<< 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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