Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
NXX: 770
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-770
| A |
Armiger-Gibson Island |
MD |
ARMGMDARDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-770
| 0 |
Armiger-Gibson Island |
MD |
ARMGMDARDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-770
| 1 |
Armiger-Gibson Island |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2004-01-10 |
|
443-770
| 2 |
Armiger-Gibson Island |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-06-02 |
|
443-770
| 3 |
Armiger-Gibson Island |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-06-02 |
|
443-770
| 4 |
Armiger-Gibson Island |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2013-10-11 |
|
443-770
| 5 |
Armiger-Gibson Island |
MD |
ARMGMDARDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2005-12-14 |
|
443-770
| 6 |
Armiger-Gibson Island |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-09-05 |
|
443-770
| 7 |
Armiger-Gibson Island |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-770
| 8 |
Armiger-Gibson Island |
MD |
ARMGMDARDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-770
| 9 |
Armiger-Gibson Island |
MD |
ARMGMDARDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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