Phone Prefix
(840) 237-XXXX
CA • ONTARIO
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
ONTARIO
Assigned To
COMMIO, LLC
OCN
939H
Status
AS
Date Assigned
Dec 29, 2023
Number Range
First Number
(840) 237-0000
Last Number
(840) 237-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (840) 237-3621 8402373621 | 3 |
| 2 | (840) 237-3505 8402373505 | 1 |
| 3 | (840) 237-3603 8402373603 | 1 |
| 4 | (840) 237-9852 8402379852 | 1 |
About This Prefix
Phone numbers starting with (840) 237 are part of the North American Numbering Plan (NANP). The first three digits (840) represent the Area Code (NPA), and the next three digits (237) represent the Central Office Code (NXX) or exchange.
- NPA (840) - Numbering Plan Area, identifies the geographic region
- NXX (237) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)