Phone Prefix
(520) 203-XXXX
AZ • TUCSON
Search Number in This Prefix
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Carrier Information
NANPA
State
AZ
Region
WE
Rate Center
TUCSON
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ
OCN
7465
Status
AS
Date Assigned
Aug 13, 2003
Number Range
First Number
(520) 203-0000
Last Number
(520) 203-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
25 reports
25
Total FCC + FTC DNC complaints for numbers in this prefix
Top 21 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (520) 203-0193 5202030193 | 1 |
| 2 | (520) 203-0382 5202030382 | 1 |
| 3 | (520) 203-0835 5202030835 | 1 |
| 4 | (520) 203-1814 5202031814 | 1 |
| 5 | (520) 203-3761 5202033761 | 1 |
| 6 | (520) 203-3803 5202033803 | 1 |
| 7 | (520) 203-4261 5202034261 | 1 |
| 8 | (520) 203-4391 5202034391 | 1 |
| 9 | (520) 203-4535 5202034535 | 1 |
| 10 | (520) 203-6484 5202036484 | 1 |
| 11 | (520) 203-6748 5202036748 | 1 |
| 12 | (520) 203-7038 5202037038 | 1 |
| 13 | (520) 203-7386 5202037386 | 1 |
| 14 | (520) 203-7415 5202037415 | 1 |
| 15 | (520) 203-7685 5202037685 | 1 |
| 16 | (520) 203-7849 5202037849 | 1 |
| 17 | (520) 203-7909 5202037909 | 1 |
| 18 | (520) 203-8147 5202038147 | 1 |
| 19 | (520) 203-8592 5202038592 | 1 |
| 20 | (520) 203-9267 5202039267 | 1 |
| 21 | (520) 203-9374 5202039374 | 1 |
About This Prefix
Phone numbers starting with (520) 203 are part of the North American Numbering Plan (NANP). The first three digits (520) represent the Area Code (NPA), and the next three digits (203) represent the Central Office Code (NXX) or exchange.
- NPA (520) - Numbering Plan Area, identifies the geographic region
- NXX (203) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)