Phone Prefix
(773) 577-XXXX
IL • CHICGOZN03
Search Number in This Prefix
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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
Mar 30, 2004
Number Range
First Number
(773) 577-0000
Last Number
(773) 577-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 15 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (773) 577-2650 7735772650 | 2 |
| 2 | (773) 577-2014 7735772014 | 1 |
| 3 | (773) 577-2197 7735772197 | 1 |
| 4 | (773) 577-2320 7735772320 | 1 |
| 5 | (773) 577-2413 7735772413 | 1 |
| 6 | (773) 577-2901 7735772901 | 1 |
| 7 | (773) 577-2963 7735772963 | 1 |
| 8 | (773) 577-2993 7735772993 | 1 |
| 9 | (773) 577-5657 7735775657 | 1 |
| 10 | (773) 577-8062 7735778062 | 1 |
| 11 | (773) 577-8651 7735778651 | 1 |
| 12 | (773) 577-8843 7735778843 | 1 |
| 13 | (773) 577-9735 7735779735 | 1 |
| 14 | (773) 577-1090 7735771090 | 1 |
| 15 | (773) 577-9958 7735779958 | 1 |
About This Prefix
Phone numbers starting with (773) 577 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (577) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (577) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)