Privacy Policy
Last updated: April 14, 2026
Denwa ("this site") respects user privacy and is committed to protecting personal information. This Privacy Policy explains the information we collect and how it is handled.
Information We Collect
We may collect the following information to provide and improve our services.
- Phone numbers searched
- Content submitted in reviews (phone number ratings, comments)
- Access logs (IP address, browser information, access date/time, referrer URL)
- Preference data stored through standard browser technologies
We do not, as a rule, collect personally identifiable information such as names, addresses, or email addresses.
Purpose of Use
Collected information is used for the following purposes.
- Providing the phone number search service
- Calculating and displaying spam scores
- Aggregating and displaying review information
- Automated caller analysis using proprietary algorithms
- Analyzing and improving service usage
- Preventing unauthorized use
Use of Browser Technologies
This site uses standard browser technologies to enhance user experience and perform access analysis. These technologies can be disabled through browser settings, though some features may not function properly.
We use standard browser technologies for the following purposes.
- Providing basic site functionality (such as retaining theme and language settings)
- Understanding usage patterns through analytics tools
Third-Party Services
This site may use services provided by third parties to provide and improve our services.
- Analytics tools: Used to understand site usage and improve our services. These tools may collect information through standard browser technologies
- Advertising services: This site may use third-party advertising services. These services may collect browsing information to display relevant advertisements
- Affiliate programs: This site may participate in third-party affiliate programs. We may receive referral fees through links to products and services
- Automated processing: This site may use automated processing technologies for caller analysis and similar functions
Disclosure to Third Parties
We do not provide collected information to third parties except in the following cases.
- When required by law to disclose information
- When ordered by a court or required by law to disclose sender information
- When necessary to protect the life, body, or property of users
- When provided to contractors within the scope necessary for service operations (under appropriate management)
Information Management
We implement appropriate security measures to prevent leakage, loss, or damage of collected information. Data is transmitted through encrypted communications, and access controls prevent unauthorized access. However, we cannot guarantee complete security of communications over the internet.
System Operating Region
This service is operated on servers located in Japan as a general rule.
Policy Changes
We may change this Privacy Policy as needed. When changes are made, the revised content and last updated date will be posted on this page.
Contact
For operator information and inquiries, please visit our Contact page.
Please also review our Terms of Service.