Phone Prefix
(773) 663-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
Feb 15, 2011
Number Range
First Number
(773) 663-0000
Last Number
(773) 663-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
28 reports
28
Total FCC + FTC DNC complaints for numbers in this prefix
Top 23 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (773) 663-3136 7736633136 | 6 |
| 2 | (773) 663-4020 7736634020 | 1 |
| 3 | (773) 663-4030 7736634030 | 1 |
| 4 | (773) 663-4087 7736634087 | 1 |
| 5 | (773) 663-4145 7736634145 | 1 |
| 6 | (773) 663-4203 7736634203 | 1 |
| 7 | (773) 663-4219 7736634219 | 1 |
| 8 | (773) 663-4282 7736634282 | 1 |
| 9 | (773) 663-4348 7736634348 | 1 |
| 10 | (773) 663-4378 7736634378 | 1 |
| 11 | (773) 663-4386 7736634386 | 1 |
| 12 | (773) 663-4546 7736634546 | 1 |
| 13 | (773) 663-4580 7736634580 | 1 |
| 14 | (773) 663-4824 7736634824 | 1 |
| 15 | (773) 663-4860 7736634860 | 1 |
| 16 | (773) 663-4892 7736634892 | 1 |
| 17 | (773) 663-4959 7736634959 | 1 |
| 18 | (773) 663-5793 7736635793 | 1 |
| 19 | (773) 663-6350 7736636350 | 1 |
| 20 | (773) 663-6646 7736636646 | 1 |
| 21 | (773) 663-6696 7736636696 | 1 |
| 22 | (773) 663-8162 7736638162 | 1 |
| 23 | (773) 663-8500 7736638500 | 1 |
About This Prefix
Phone numbers starting with (773) 663 are part of the North American Numbering Plan (NANP). The first three digits (773) represent the Area Code (NPA), and the next three digits (663) represent the Central Office Code (NXX) or exchange.
- NPA (773) - Numbering Plan Area, identifies the geographic region
- NXX (663) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)