Phone Prefix
(815) 999-XXXX
IL • JOLIET
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
JOLIET
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Mar 09, 2004
Number Range
First Number
(815) 999-0000
Last Number
(815) 999-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (815) 999-0101 8159990101 | 1 |
| 2 | (815) 999-3277 8159993277 | 1 |
| 3 | (815) 999-3555 8159993555 | 1 |
| 4 | (815) 999-4230 8159994230 | 1 |
| 5 | (815) 999-6706 8159996706 | 1 |
About This Prefix
Phone numbers starting with (815) 999 are part of the North American Numbering Plan (NANP). The first three digits (815) represent the Area Code (NPA), and the next three digits (999) represent the Central Office Code (NXX) or exchange.
- NPA (815) - Numbering Plan Area, identifies the geographic region
- NXX (999) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)