USPhonebook's tech stack
What does USPhonebook use?
USPhonebook (usphonebook.com) uses at least 16 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .
“USPhonebook.com offers free reverse phone lookup, people search, and address lookup using billions of public records.”
- Tools found
- 16
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
USPhonebook's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
2 tools, what the product is built with
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Marketing
Ads & Pixels
Support & Docs
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
USPhonebook tech stack FAQ
What tools does USPhonebook use?
As of October 2026, runsonwhat has found 16 tools at USPhonebook (usphonebook.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Meta Pixel, Zendesk and Ahrefs. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 20, 2026.
What cloud does USPhonebook run on?
USPhonebook uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on usphonebook.com. Amazon Web Services is used by 145,977 companies runsonwhat tracks.
What email provider does USPhonebook use?
USPhonebook uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 714,911 companies runsonwhat tracks.
What does USPhonebook use for customer support?
USPhonebook uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on usphonebook.com. Zendesk is used by 42,215 companies runsonwhat tracks.
What analytics tools does USPhonebook use?
USPhonebook uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on usphonebook.com. Google Analytics is used by 887,848 companies runsonwhat tracks.
What marketing software does USPhonebook use?
USPhonebook uses Ahrefs for marketing, according to runsonwhat (October 2026). runsonwhat found Ahrefs through a DNS verification record for Ahrefs. Ahrefs is used by 23,731 companies runsonwhat tracks.
Does USPhonebook use Cloudflare?
Yes. runsonwhat found Cloudflare at USPhonebook through DNS records that point at Cloudflare and code on usphonebook.com. Cloudflare is a CDN & Edge tool used by 707,539 companies runsonwhat tracks.
How does runsonwhat know what USPhonebook uses?
runsonwhat reads public records only. Of the 16 tools at USPhonebook, 6 were found through code on usphonebook.com, 6 through DNS records, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and usphonebook.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.