Phone Prefix
(840) 263-XXXX
CA • FONTANA
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
CA
Region
WC
Rate Center
FONTANA
Assigned To
ONVOY SPECTRUM, LLC
OCN
624H
Status
AS
Date Assigned
Oct 02, 2024
Number Range
First Number
(840) 263-0000
Last Number
(840) 263-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (840) 263-2775 8402632775 | 1 |
| 2 | (840) 263-5551 8402635551 | 1 |
| 3 | (840) 263-8730 8402638730 | 1 |
| 4 | (840) 263-9464 8402639464 | 1 |
| 5 | (840) 263-9471 8402639471 | 1 |
About This Prefix
Phone numbers starting with (840) 263 are part of the North American Numbering Plan (NANP). The first three digits (840) represent the Area Code (NPA), and the next three digits (263) represent the Central Office Code (NXX) or exchange.
- NPA (840) - Numbering Plan Area, identifies the geographic region
- NXX (263) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)