Phone Prefix
(443) 430-XXXX
MD • COLUMBIA
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
MD
Region
MA
Rate Center
COLUMBIA
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(443) 430-0000
Last Number
(443) 430-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
26 reports
26
Total FCC + FTC DNC complaints for numbers in this prefix
Top 20 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 430-1680 4434301680 | 2 |
| 2 | (443) 430-1771 4434301771 | 2 |
| 3 | (443) 430-1191 4434301191 | 2 |
| 4 | (443) 430-1011 4434301011 | 2 |
| 5 | (443) 430-0416 4434300416 | 2 |
| 6 | (443) 430-1203 4434301203 | 1 |
| 7 | (443) 430-1390 4434301390 | 1 |
| 8 | (443) 430-1494 4434301494 | 1 |
| 9 | (443) 430-1495 4434301495 | 1 |
| 10 | (443) 430-1506 4434301506 | 1 |
| 11 | (443) 430-1716 4434301716 | 1 |
| 12 | (443) 430-1720 4434301720 | 1 |
| 13 | (443) 430-1730 4434301730 | 1 |
| 14 | (443) 430-1811 4434301811 | 1 |
| 15 | (443) 430-1909 4434301909 | 1 |
| 16 | (443) 430-2423 4434302423 | 1 |
| 17 | (443) 430-0500 4434300500 | 1 |
| 18 | (443) 430-1018 4434301018 | 1 |
| 19 | (443) 430-1045 4434301045 | 1 |
| 20 | (443) 430-1074 4434301074 | 1 |
About This Prefix
Phone numbers starting with (443) 430 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (430) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (430) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)