How many email patterns does Customer.io use?

Customer.io uses 5 known email patterns.

What domain does Customer.io use for work emails?

Customer.io uses customer.io for work email addresses.

Most Common Email Formats at Customer.io

The most accurate and popular Customer.io's email format is First@customer.io (ex. John@customer.io). Customer.io also uses Last@customer.io (ex. Doe@customer.io) as email structures. Customer.io uses up to 4 different email patterns.

Customer.io Email Formats	Example	Percentage
First@customer.io	John@customer.io	77%
Last@customer.io	Doe@customer.io	15%
FirstL@customer.io	JohnD@customer.io	6%
First.L@customer.io	John.D@customer.io	2%

Customer.io Email Formats

Example

Percentage

First@customer.io

John@customer.io

77%

Last@customer.io

Doe@customer.io

15%

FirstL@customer.io

JohnD@customer.io

First.L@customer.io

John.D@customer.io

Frequently Asked Questions

What does Customer.io do?

Customer.io was founded in 2012. The company's main headquarters is located in Portland, Oregon 97210 United Statesoperates in the Software Development industry, along with similar companies like HubSpotBrazeIntercom. You can visit customer.iocontact Customer.io's headquarters by phone at

+1-888-744-****

. Explore Customer.io's company overview page for more information.

What is Customer.io's email address format?

Customer.io's email format typically follows the pattern of First@customer.io; this email format is used 77% of the time. Other contacts within LeadIQ's database had email formats such as Last@customer.ioFirstL@customer.io. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Customer.io have currently?

Customer.io has approximately 531 employees as of May 2026. Key team members to contact include Chief Marketing Officer: J. L.Chief People Officer: J. F.Chief Technology Officer: M. N.. For more team information and contact data, explore Customer.io's employee directory with LeadIQ.

Customer.io Email Format

Software DevelopmentOregon, United States501-1000 Employees

Customer.io is a software development company based in Portland, Oregon 97210, United States, with 501 to 1000 employees. It offers a customer engagement platform that enables personalized journeys across mobile and web, using channels such as email, in‑app messages, SMS, and push notifications. The platform is designed to centralize messaging, integrate with common tools, and support real-time data movement to enable campaigns with unlimited profile attributes, events, or actions. The company maintains a diverse technology stack that includes Airbase, Facebook Pixel, Sigma Computing, Sanity.io, Zapier, dc.js, UNIX, and CSS. Public updates describe partnerships and integrations with various partners, including a 2024 integration with Vision Pro and with Twilio for SMS, a 2026 partnership with Yodel Mobile, and a January 2025 security incident linked to an OpenSea email vendor contractor.

Most Common Email Formats at Customer.io

Frequently Asked Questions

What does Customer.io do?

What is Customer.io's email address format?

How many employees does Customer.io have currently?

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What you can expect from LeadIQ:

Customer.io Email Format

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Most Common Email Formats at Customer.io

Frequently Asked Questions

What does Customer.io do?

What is Customer.io's email address format?

How many employees does Customer.io have currently?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Customer.io Email Format

Verify Customer.io email addresses

Ready to create more pipeline?

Ready to create more pipeline?

Everything for prospecting,
in one platform.