Phone Prefix
(443) 599-XXXX
MD • SEVERN
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
SEVERN
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
AS
Date Assigned
Mar 27, 2025
Number Range
First Number
(443) 599-0000
Last Number
(443) 599-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 599-8703 4435998703 | 9 |
| 2 | (443) 599-2442 4435992442 | 1 |
| 3 | (443) 599-3081 4435993081 | 1 |
| 4 | (443) 599-5284 4435995284 | 1 |
| 5 | (443) 599-7177 4435997177 | 1 |
| 6 | (443) 599-8034 4435998034 | 1 |
| 7 | (443) 599-2142 4435992142 | 1 |
| 8 | (443) 599-9015 4435999015 | 1 |
About This Prefix
Phone numbers starting with (443) 599 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (599) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (599) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)