Phone Prefix
(443) 504-XXXX
MD • FALLSTON
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
FALLSTON
Assigned To
PAETEC ITEL, LLC
OCN
829J
Status
AS
Number Range
First Number
(443) 504-0000
Last Number
(443) 504-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 504-0744 4435040744 | 1 |
| 2 | (443) 504-4112 4435044112 | 1 |
| 3 | (443) 504-5443 4435045443 | 1 |
| 4 | (443) 504-7937 4435047937 | 1 |
| 5 | (443) 504-8361 4435048361 | 1 |
| 6 | (443) 504-9303 4435049303 | 1 |
About This Prefix
Phone numbers starting with (443) 504 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (504) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (504) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)