Phone Prefix
(510) 399-XXXX
CA • FRNK MAIN
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
FRNK MAIN
Assigned To
ONVOY, LLC - CA
OCN
649C
Status
AS
Date Assigned
May 06, 2016
Number Range
First Number
(510) 399-0000
Last Number
(510) 399-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
62 reports
62
Total FCC + FTC DNC complaints for numbers in this prefix
Top 45 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 399-4442 5103994442 | 12 |
| 2 | (510) 399-1745 5103991745 | 2 |
| 3 | (510) 399-1706 5103991706 | 2 |
| 4 | (510) 399-0655 5103990655 | 2 |
| 5 | (510) 399-7276 5103997276 | 2 |
| 6 | (510) 399-1089 5103991089 | 2 |
| 7 | (510) 399-7772 5103997772 | 2 |
| 8 | (510) 399-0962 5103990962 | 1 |
| 9 | (510) 399-1308 5103991308 | 1 |
| 10 | (510) 399-1371 5103991371 | 1 |
| 11 | (510) 399-1400 5103991400 | 1 |
| 12 | (510) 399-1500 5103991500 | 1 |
| 13 | (510) 399-1777 5103991777 | 1 |
| 14 | (510) 399-2438 5103992438 | 1 |
| 15 | (510) 399-2467 5103992467 | 1 |
| 16 | (510) 399-2480 5103992480 | 1 |
| 17 | (510) 399-2700 5103992700 | 1 |
| 18 | (510) 399-2999 5103992999 | 1 |
| 19 | (510) 399-3073 5103993073 | 1 |
| 20 | (510) 399-3869 5103993869 | 1 |
| 21 | (510) 399-4561 5103994561 | 1 |
| 22 | (510) 399-4587 5103994587 | 1 |
| 23 | (510) 399-5155 5103995155 | 1 |
| 24 | (510) 399-5605 5103995605 | 1 |
| 25 | (510) 399-5835 5103995835 | 1 |
| 26 | (510) 399-6132 5103996132 | 1 |
| 27 | (510) 399-6228 5103996228 | 1 |
| 28 | (510) 399-6776 5103996776 | 1 |
| 29 | (510) 399-6813 5103996813 | 1 |
| 30 | (510) 399-7090 5103997090 | 1 |
| 31 | (510) 399-7238 5103997238 | 1 |
| 32 | (510) 399-7292 5103997292 | 1 |
| 33 | (510) 399-7296 5103997296 | 1 |
| 34 | (510) 399-7677 5103997677 | 1 |
| 35 | (510) 399-7759 5103997759 | 1 |
| 36 | (510) 399-7785 5103997785 | 1 |
| 37 | (510) 399-7831 5103997831 | 1 |
| 38 | (510) 399-0153 5103990153 | 1 |
| 39 | (510) 399-9173 5103999173 | 1 |
| 40 | (510) 399-0578 5103990578 | 1 |
| 41 | (510) 399-0582 5103990582 | 1 |
| 42 | (510) 399-0598 5103990598 | 1 |
| 43 | (510) 399-0640 5103990640 | 1 |
| 44 | (510) 399-0656 5103990656 | 1 |
| 45 | (510) 399-0662 5103990662 | 1 |
About This Prefix
Phone numbers starting with (510) 399 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (399) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (399) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)