Phone Prefix
(773) 439-XXXX
IL • CHICGOZN03
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN03
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Sep 24, 2004
Number Range
First Number
(773) 439-0000
Last Number
(773) 439-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (773) 439-2977 7734392977 | 2 |
| 2 | (773) 439-3751 7734393751 | 1 |
| 3 | (773) 439-4953 7734394953 | 1 |
| 4 | (773) 439-6715 7734396715 | 1 |
| 5 | (773) 439-7466 7734397466 | 1 |
| 6 | (773) 439-8344 7734398344 | 1 |
| 7 | (773) 439-8874 7734398874 | 1 |
| 8 | (773) 439-9144 7734399144 | 1 |
| 9 | (773) 439-9285 7734399285 | 1 |
| 10 | (773) 439-0059 7734390059 | 1 |
| 11 | (773) 439-9624 7734399624 | 1 |
About This Prefix
Phone numbers starting with (773) 439 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (439) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (439) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)