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 |
443-232
| 1 |
Willards |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-07-04 |
|
443-232
| 2 |
Willards |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-07-04 |
|
443-232
| 3 |
Willards |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-232
| 4 |
Willards |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-232
| 5 |
Willards |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-232
| 6 |
Willards |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2019-06-07 |
|
443-232
| 7 |
Willards |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2007-08-08 |
|
443-232
| 8 |
Willards |
MD |
SLBRMD902MD |
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
443-232
| 9 |
Willards |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-04-30 |
|
443-233
| A |
Vienna |
MD |
SLBRMDSBDC0 |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-233
| 0 |
Vienna |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-08-09 |
|
443-233
| 1 |
Vienna |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-08-09 |
|
443-233
| 2 |
Vienna |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2007-08-08 |
|
443-233
| 3 |
Vienna |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-233
| 4 |
Vienna |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2013-09-08 |
|
443-233
| 5 |
Vienna |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-10-17 |
|
443-233
| 6 |
Vienna |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2012-05-26 |
|
443-233
| 7 |
Vienna |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-233
| 8 |
Vienna |
MD |
SLBRMD902MD |
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
443-233
| 9 |
Vienna |
MD |
SLBRMDSBDC0 |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-234
| A |
Snow Hill |
MD |
SLBRMDSBDC0 |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-234
| 0 |
Snow Hill |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
443-234
| 1 |
Snow Hill |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2021-03-05 |
|
443-234
| 2 |
Snow Hill |
MD |
SLBRMDSBDC0 |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
242 |
|
|
|
443-234
| 3 |
Snow Hill |
MD |
ESTNMDES5MD |
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
242 |
|
2016-05-06 |
|
443-234
| 4 |
Snow Hill |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-234
| 5 |
Snow Hill |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE LLC |
242 |
|
2006-07-31 |
|
443-234
| 6 |
Snow Hill |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-234
| 7 |
Snow Hill |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
242 |
|
2018-06-17 |
|
443-234
| 8 |
Snow Hill |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-04-14 |
|
443-234
| 9 |
Snow Hill |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
443-235
| A |
Salisbury |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
443-236
| A |
Cardiff |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-237
| A |
North Beach |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-238
| A |
Parkton |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-238
| 0 |
Parkton |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
443-238
| 1 |
Parkton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-21 |
|
443-238
| 2 |
Parkton |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-238
| 3 |
Parkton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-21 |
|
443-238
| 4 |
Parkton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-238
| 5 |
Parkton |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE LLC |
238 |
|
2015-09-21 |
|
443-238
| 6 |
Parkton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-238
| 7 |
Parkton |
MD |
|
508J CENTURYLINK COMMUNICATIONS LLC |
238 |
|
2014-06-12 |
|
443-238
| 8 |
Parkton |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
443-238
| 9 |
Parkton |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
238 |
|
2018-06-16 |
|
443-239
| A |
Easton |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
|
|
443-239
| 0 |
Easton |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-01-19 |
|
443-239
| 1 |
Easton |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2010-01-19 |
|
443-239
| 2 |
Easton |
MD |
SLBRMDSCXLX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2004-03-12 |
|
443-239
| 3 |
Easton |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2011-02-03 |
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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