Phone Prefix
(520) 370-XXXX
AZ • TUCSON
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Carrier Information
NANPA
State
AZ
Region
WE
Rate Center
TUCSON
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
May 28, 2004
Number Range
First Number
(520) 370-0000
Last Number
(520) 370-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (520) 370-0751 5203700751 | 1 |
| 2 | (520) 370-2143 5203702143 | 1 |
| 3 | (520) 370-4613 5203704613 | 1 |
| 4 | (520) 370-4829 5203704829 | 1 |
| 5 | (520) 370-5741 5203705741 | 1 |
| 6 | (520) 370-5883 5203705883 | 1 |
| 7 | (520) 370-5973 5203705973 | 1 |
| 8 | (520) 370-6024 5203706024 | 1 |
| 9 | (520) 370-6367 5203706367 | 1 |
| 10 | (520) 370-8249 5203708249 | 1 |
| 11 | (520) 370-8557 5203708557 | 1 |
| 12 | (520) 370-9502 5203709502 | 1 |
| 13 | (520) 370-9607 5203709607 | 1 |
| 14 | (520) 370-9701 5203709701 | 1 |
About This Prefix
Phone numbers starting with (520) 370 are part of the North American Numbering Plan (NANP). The first three digits (520) represent the Area Code (NPA), and the next three digits (370) represent the Central Office Code (NXX) or exchange.
- NPA (520) - Numbering Plan Area, identifies the geographic region
- NXX (370) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)