Phone Prefix
(443) 917-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
IP HORIZON LLC
OCN
515J
Status
AS
Date Assigned
Aug 12, 2013
Number Range
First Number
(443) 917-0000
Last Number
(443) 917-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
13 reports
13
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 917-0495 4439170495 | 2 |
| 2 | (443) 917-0326 4439170326 | 2 |
| 3 | (443) 917-0489 4439170489 | 1 |
| 4 | (443) 917-0977 4439170977 | 1 |
| 5 | (443) 917-1032 4439171032 | 1 |
| 6 | (443) 917-1702 4439171702 | 1 |
| 7 | (443) 917-2255 4439172255 | 1 |
| 8 | (443) 917-2901 4439172901 | 1 |
| 9 | (443) 917-6470 4439176470 | 1 |
| 10 | (443) 917-7972 4439177972 | 1 |
| 11 | (443) 917-0333 4439170333 | 1 |
About This Prefix
Phone numbers starting with (443) 917 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (917) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (917) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)