Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
NXX: 433
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-433
| A |
Annapolis |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-433
| 0 |
Annapolis |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-433
| 1 |
Annapolis |
MD |
PIVLMDPKFMD |
5966 LIGHTWAVE COMMUNICATIONS, LLC - MD |
238 |
|
2005-10-07 |
|
443-433
| 2 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-03-02 |
|
443-433
| 3 |
Annapolis |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2005-04-18 |
|
443-433
| 4 |
Annapolis |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-433
| 5 |
Annapolis |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-433
| 6 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-03-02 |
|
443-433
| 7 |
Annapolis |
MD |
BLTMMDSN5MD |
4773 XO MARYLAND, LLC |
238 |
|
|
|
443-433
| 8 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-03-02 |
|
443-433
| 9 |
Annapolis |
MD |
BLTMMDCH40Z |
6664 SPRINT SPECTRUM, L.P. |
238 |
|
2011-08-19 |
|
Last updated: Fri, 13 May 2022 22:16:13 UTC
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