Phone Prefix
(443) 505-XXXX
MD • ESSEX
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
ESSEX
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
AS
Date Assigned
Apr 21, 2025
Number Range
First Number
(443) 505-0000
Last Number
(443) 505-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 505-3389 4435053389 | 2 |
| 2 | (443) 505-1124 4435051124 | 2 |
| 3 | (443) 505-3788 4435053788 | 1 |
| 4 | (443) 505-3887 4435053887 | 1 |
| 5 | (443) 505-6874 4435056874 | 1 |
| 6 | (443) 505-8181 4435058181 | 1 |
| 7 | (443) 505-9680 4435059680 | 1 |
| 8 | (443) 505-1521 4435051521 | 1 |
About This Prefix
Phone numbers starting with (443) 505 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (505) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (505) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)