Phone Prefix
(858) 399-XXXX
CA • CORONADO
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CORONADO
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Feb 22, 2021
Number Range
First Number
(858) 399-0000
Last Number
(858) 399-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
39 reports
39
Total FCC + FTC DNC complaints for numbers in this prefix
Top 32 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 399-4930 8583994930 | 3 |
| 2 | (858) 399-4989 8583994989 | 2 |
| 3 | (858) 399-4871 8583994871 | 2 |
| 4 | (858) 399-4912 8583994912 | 2 |
| 5 | (858) 399-4946 8583994946 | 2 |
| 6 | (858) 399-4338 8583994338 | 2 |
| 7 | (858) 399-4374 8583994374 | 1 |
| 8 | (858) 399-4389 8583994389 | 1 |
| 9 | (858) 399-4577 8583994577 | 1 |
| 10 | (858) 399-4640 8583994640 | 1 |
| 11 | (858) 399-4770 8583994770 | 1 |
| 12 | (858) 399-4837 8583994837 | 1 |
| 13 | (858) 399-4878 8583994878 | 1 |
| 14 | (858) 399-4903 8583994903 | 1 |
| 15 | (858) 399-4916 8583994916 | 1 |
| 16 | (858) 399-4919 8583994919 | 1 |
| 17 | (858) 399-4922 8583994922 | 1 |
| 18 | (858) 399-4925 8583994925 | 1 |
| 19 | (858) 399-4935 8583994935 | 1 |
| 20 | (858) 399-4939 8583994939 | 1 |
| 21 | (858) 399-4981 8583994981 | 1 |
| 22 | (858) 399-8395 8583998395 | 1 |
| 23 | (858) 399-8487 8583998487 | 1 |
| 24 | (858) 399-8752 8583998752 | 1 |
| 25 | (858) 399-9438 8583999438 | 1 |
| 26 | (858) 399-0812 8583990812 | 1 |
| 27 | (858) 399-9515 8583999515 | 1 |
| 28 | (858) 399-1178 8583991178 | 1 |
| 29 | (858) 399-3701 8583993701 | 1 |
| 30 | (858) 399-4020 8583994020 | 1 |
| 31 | (858) 399-4230 8583994230 | 1 |
| 32 | (858) 399-4267 8583994267 | 1 |
About This Prefix
Phone numbers starting with (858) 399 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (399) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (399) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)