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 |
443-380
| 3 |
Woodlawn |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-10-28 |
|
443-380
| 4 |
Woodlawn |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-05-05 |
|
443-380
| 5 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2011-04-15 |
|
443-380
| 6 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2011-04-15 |
|
443-380
| 7 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2011-04-15 |
|
443-380
| 8 |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2011-04-15 |
|
443-380
| 9 |
Woodlawn |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-05-01 |
|
443-381
| A |
Reisterstown |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-381
| 1 |
Reisterstown |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2019-10-13 |
|
443-381
| 2 |
Reisterstown |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-01-01 |
|
443-381
| 3 |
Reisterstown |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
443-381
| 4 |
Reisterstown |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
443-381
| 5 |
Reisterstown |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2018-03-16 |
|
443-381
| 6 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-381
| 7 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-381
| 8 |
Reisterstown |
MD |
BLTMMDCHFMD |
5562 METRO PCS, INC. |
238 |
|
2018-02-08 |
|
443-381
| 9 |
Reisterstown |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-04-05 |
|
443-382
| A |
Cambridge |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
|
|
443-383
| A |
Silver Run |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-383
| 0 |
Silver Run |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
443-383
| 1 |
Silver Run |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-383
| 2 |
Silver Run |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
443-383
| 3 |
Silver Run |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
443-383
| 4 |
Silver Run |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
443-383
| 5 |
Silver Run |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
443-383
| 6 |
Silver Run |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
443-383
| 7 |
Silver Run |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-12 |
|
443-383
| 8 |
Silver Run |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-383
| 9 |
Silver Run |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
443-384
| A |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-384
| 0 |
Parkville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-384
| 1 |
Parkville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-384
| 2 |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2001-11-01 |
|
443-384
| 3 |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2001-11-01 |
|
443-384
| 4 |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2001-11-01 |
|
443-384
| 5 |
Parkville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2020-11-14 |
|
443-384
| 6 |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2001-11-01 |
|
443-384
| 7 |
Parkville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-03-31 |
|
443-384
| 8 |
Parkville |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-04-02 |
|
443-384
| 9 |
Parkville |
MD |
HNVAMDBHRS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-385
| A |
Easton |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
|
|
443-386
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 0 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 1 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 2 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 3 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 4 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 5 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 6 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-386
| 7 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
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 >>
Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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