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 |
443-644
| 2 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-22 |
|
443-644
| 3 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-644
| 4 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-644
| 5 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-644
| 6 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-22 |
|
443-644
| 7 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-22 |
|
443-644
| 8 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-22 |
|
443-644
| 9 |
Jarrettsville |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-10-22 |
|
443-645
| A |
Millersville |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-645
| 1 |
Millersville |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-645
| 2 |
Millersville |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-03-29 |
|
443-645
| 3 |
Millersville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2015-04-17 |
|
443-645
| 4 |
Millersville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-24 |
|
443-645
| 5 |
Millersville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-24 |
|
443-645
| 6 |
Millersville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-10-20 |
|
443-645
| 7 |
Millersville |
MD |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
443-645
| 8 |
Millersville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2018-05-31 |
|
443-645
| 9 |
Millersville |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-646
| A |
North Beach |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-646
| 0 |
North Beach |
MD |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL INC |
238 |
|
2020-12-26 |
|
443-646
| 1 |
North Beach |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-646
| 2 |
North Beach |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2016-12-02 |
|
443-646
| 3 |
North Beach |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-04 |
|
443-646
| 4 |
North Beach |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-23 |
|
443-646
| 5 |
North Beach |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2014-05-01 |
|
443-646
| 6 |
North Beach |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2015-08-05 |
|
443-646
| 7 |
North Beach |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-12 |
|
443-646
| 8 |
North Beach |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-23 |
|
443-646
| 9 |
North Beach |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-647
| A |
New Windsor |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-647
| 0 |
New Windsor |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-647
| 1 |
New Windsor |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-647
| 2 |
New Windsor |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2019-03-29 |
|
443-647
| 3 |
New Windsor |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-08 |
|
443-647
| 4 |
New Windsor |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-08 |
|
443-647
| 5 |
New Windsor |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-647
| 6 |
New Windsor |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-647
| 7 |
New Windsor |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-12 |
|
443-647
| 8 |
New Windsor |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-17 |
|
443-647
| 9 |
New Windsor |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-17 |
|
443-648
| A |
Essex |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-648
| 0 |
Essex |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-12-09 |
|
443-648
| 1 |
Essex |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-08-23 |
|
443-648
| 2 |
Essex |
MD |
CLMAMDJTDS0 |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2007-06-15 |
|
443-648
| 3 |
Essex |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-07-02 |
|
443-648
| 4 |
Essex |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-648
| 5 |
Essex |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-02-13 |
|
443-648
| 6 |
Essex |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-04-12 |
|
443-648
| 7 |
Essex |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-25 |
|
443-648
| 8 |
Essex |
MD |
BLTQMD010MD |
082H LOCAL ACCESS LLC - MD |
238 |
|
2013-09-06 |
|
<< 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
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.