Phone Prefix
(443) 403-XXXX
MD • ABERDEEN
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
ABERDEEN
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MD
OCN
6119
Status
RT
Number Range
First Number
(443) 403-0000
Last Number
(443) 403-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 25 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 403-7159 4434037159 | 2 |
| 2 | (443) 403-3369 4434033369 | 2 |
| 3 | (443) 403-0694 4434030694 | 1 |
| 4 | (443) 403-1558 4434031558 | 1 |
| 5 | (443) 403-1896 4434031896 | 1 |
| 6 | (443) 403-2043 4434032043 | 1 |
| 7 | (443) 403-2567 4434032567 | 1 |
| 8 | (443) 403-3868 4434033868 | 1 |
| 9 | (443) 403-4038 4434034038 | 1 |
| 10 | (443) 403-4063 4434034063 | 1 |
| 11 | (443) 403-4218 4434034218 | 1 |
| 12 | (443) 403-5296 4434035296 | 1 |
| 13 | (443) 403-5588 4434035588 | 1 |
| 14 | (443) 403-5963 4434035963 | 1 |
| 15 | (443) 403-6502 4434036502 | 1 |
| 16 | (443) 403-6600 4434036600 | 1 |
| 17 | (443) 403-6930 4434036930 | 1 |
| 18 | (443) 403-7101 4434037101 | 1 |
| 19 | (443) 403-7335 4434037335 | 1 |
| 20 | (443) 403-7920 4434037920 | 1 |
| 21 | (443) 403-8164 4434038164 | 1 |
| 22 | (443) 403-8353 4434038353 | 1 |
| 23 | (443) 403-0266 4434030266 | 1 |
| 24 | (443) 403-8926 4434038926 | 1 |
| 25 | (443) 403-0314 4434030314 | 1 |
About This Prefix
Phone numbers starting with (443) 403 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (403) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (403) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)