Phone Prefix
(312) 799-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Mar 04, 2005
Number Range
First Number
(312) 799-0000
Last Number
(312) 799-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
22 reports
22
Total FCC + FTC DNC complaints for numbers in this prefix
Top 22 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 799-1503 3127991503 | 1 |
| 2 | (312) 799-3504 3127993504 | 1 |
| 3 | (312) 799-3563 3127993563 | 1 |
| 4 | (312) 799-3618 3127993618 | 1 |
| 5 | (312) 799-3747 3127993747 | 1 |
| 6 | (312) 799-4190 3127994190 | 1 |
| 7 | (312) 799-4261 3127994261 | 1 |
| 8 | (312) 799-4340 3127994340 | 1 |
| 9 | (312) 799-4682 3127994682 | 1 |
| 10 | (312) 799-4972 3127994972 | 1 |
| 11 | (312) 799-5714 3127995714 | 1 |
| 12 | (312) 799-5847 3127995847 | 1 |
| 13 | (312) 799-5968 3127995968 | 1 |
| 14 | (312) 799-6397 3127996397 | 1 |
| 15 | (312) 799-6900 3127996900 | 1 |
| 16 | (312) 799-6946 3127996946 | 1 |
| 17 | (312) 799-7318 3127997318 | 1 |
| 18 | (312) 799-7809 3127997809 | 1 |
| 19 | (312) 799-7941 3127997941 | 1 |
| 20 | (312) 799-8291 3127998291 | 1 |
| 21 | (312) 799-8418 3127998418 | 1 |
| 22 | (312) 799-8984 3127998984 | 1 |
About This Prefix
Phone numbers starting with (312) 799 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (799) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (799) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)