Phone Prefix
(928) 550-XXXX
AZ • SOMERTON
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
AZ
Region
WE
Rate Center
SOMERTON
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Jun 03, 2005
Number Range
First Number
(928) 550-0000
Last Number
(928) 550-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
11 reports
11
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (928) 550-0820 9285500820 | 1 |
| 2 | (928) 550-4014 9285504014 | 1 |
| 3 | (928) 550-4131 9285504131 | 1 |
| 4 | (928) 550-4720 9285504720 | 1 |
| 5 | (928) 550-4920 9285504920 | 1 |
| 6 | (928) 550-5139 9285505139 | 1 |
| 7 | (928) 550-6402 9285506402 | 1 |
| 8 | (928) 550-6898 9285506898 | 1 |
| 9 | (928) 550-6999 9285506999 | 1 |
| 10 | (928) 550-7089 9285507089 | 1 |
| 11 | (928) 550-7969 9285507969 | 1 |
About This Prefix
Phone numbers starting with (928) 550 are part of the North American Numbering Plan (NANP). The first three digits (928) represent the Area Code (NPA), and the next three digits (550) represent the Central Office Code (NXX) or exchange.
- NPA (928) - Numbering Plan Area, identifies the geographic region
- NXX (550) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)