Phone Prefix
(773) 387-XXXX
IL • CHICGOZN10
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN10
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Jun 10, 2004
Number Range
First Number
(773) 387-0000
Last Number
(773) 387-9999
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 | (773) 387-1286 7733871286 | 1 |
| 2 | (773) 387-1697 7733871697 | 1 |
| 3 | (773) 387-1703 7733871703 | 1 |
| 4 | (773) 387-3673 7733873673 | 1 |
| 5 | (773) 387-5364 7733875364 | 1 |
| 6 | (773) 387-5452 7733875452 | 1 |
About This Prefix
Phone numbers starting with (773) 387 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (387) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (387) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)