Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
NXX: 597
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-597
| A |
Severna Park |
MD |
|
5562 METROPCS, INC. |
238 |
|
|
|
443-597
| 0 |
Severna Park |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-04-03 |
|
443-597
| 1 |
Severna Park |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-04-03 |
|
443-597
| 2 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-01-03 |
|
443-597
| 3 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-01-03 |
|
443-597
| 4 |
Severna Park |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2025-05-10 |
|
443-597
| 5 |
Severna Park |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-06-20 |
|
443-597
| 6 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-01-03 |
|
443-597
| 7 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-01-03 |
|
443-597
| 8 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2006-08-14 |
|
443-597
| 9 |
Severna Park |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2005-06-05 |
|
Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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