Phone Prefix
(773) 990-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
Jun 15, 2006
Number Range
First Number
(773) 990-0000
Last Number
(773) 990-9999
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 | (773) 990-1456 7739901456 | 2 |
| 2 | (773) 990-1133 7739901133 | 1 |
| 3 | (773) 990-2657 7739902657 | 1 |
| 4 | (773) 990-4669 7739904669 | 1 |
| 5 | (773) 990-6205 7739906205 | 1 |
| 6 | (773) 990-7917 7739907917 | 1 |
| 7 | (773) 990-0126 7739900126 | 1 |
| 8 | (773) 990-8415 7739908415 | 1 |
About This Prefix
Phone numbers starting with (773) 990 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (990) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (990) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)