Phone Prefix
(773) 540-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
Aug 24, 2005
Number Range
First Number
(773) 540-0000
Last Number
(773) 540-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (773) 540-1193 7735401193 | 2 |
| 2 | (773) 540-1143 7735401143 | 1 |
| 3 | (773) 540-3536 7735403536 | 1 |
| 4 | (773) 540-6362 7735406362 | 1 |
| 5 | (773) 540-8381 7735408381 | 1 |
About This Prefix
Phone numbers starting with (773) 540 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (540) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (540) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)