How many email patterns does 21CS use?

21CS uses 11 known email patterns.

What domain does 21CS use for work emails?

21CS uses 21cs.com, 21stcenturysoftware.com for work email addresses.

Most Common Email Formats at 21CS

The most accurate and popular 21CS's email format is First.Last@21cs.com (ex. John.Doe@21cs.com). 21CS also uses FLast@21cs.com (ex. JDoe@21cs.com) as email structures. 21CS uses up to 6 different email patterns.

21CS Email Formats	Example	Percentage
First.Last@21cs.com	John.Doe@21cs.com	75%
FLast@21cs.com	JDoe@21cs.com	25%
FirstL@21stcenturysoftware.com	JohnD@21stcenturysoftware.com	89%
Last@21stcenturysoftware.com	Doe@21stcenturysoftware.com	5%
FirstLast@21stcenturysoftware.com	JohnDoe@21stcenturysoftware.com	3%
First_L@21stcenturysoftware.com	John_D@21stcenturysoftware.com	3%

21CS Email Formats

Example

Percentage

First.Last@21cs.com

John.Doe@21cs.com

75%

FLast@21cs.com

JDoe@21cs.com

25%

FirstL@21stcenturysoftware.com

JohnD@21stcenturysoftware.com

89%

Last@21stcenturysoftware.com

Doe@21stcenturysoftware.com

FirstLast@21stcenturysoftware.com

JohnDoe@21stcenturysoftware.com

First_L@21stcenturysoftware.com

John_D@21stcenturysoftware.com

Frequently Asked Questions

What does 21CS do?

operates in the Software Development industry, along with similar companies like MicrosoftInforSAP. You can visit 21cs.comcontact 21CS's headquarters by phone at

+1-610-971-****

. Explore 21CS's company overview page for more information.

What is 21CS's email address format?

21CS's email format typically follows the pattern of First.Last@21cs.com; this email format is used 75% of the time. Other contacts within LeadIQ's database had email formats such as FLast@21cs.comFirstL@21stcenturysoftware.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does 21CS have currently?

21CS has approximately 160 employees as of July 2026. Key team members to contact include Vice President, Vsen R+d, Center Of Excellence Germany: G. M. S.Customer Success Manager: F. P.Marketing Team Lead: J. P. A.. For more team information and contact data, explore 21CS's employee directory with LeadIQ.

21CS Email Format

Q: What is 21CS's email address format?

21CS's email format typically follows the pattern of ${fn}.${ln}. Other email formats include ${fi}${ln} and ${fn}.${ln}.

Software DevelopmentNorth Carolina, United States51-200 Employees

21CS is a mid-sized software development company based in Morehead City, North Carolina. It provides software solutions intended to support mission-critical operations across business and IT processes. The firm has engaged in partnerships and initiatives connected to the IBM Z mainframe ecosystem, signaling a focus on enterprise-scale, reliable infrastructure.

During 2024, the company relocated its headquarters from Boston to Morehead City and expanded its development, marketing, and technical support activities there. In 2025 and 2026, 21CS announced several strategic partnerships with Pellera Technologies, Interskill Learning, and Eccox, and launched TRANSVERSE[n], a vendor-independent data migration solution; it also appointed Clemencia 'Cleo' Clarke as Chief Commercial Officer.

Most Common Email Formats at 21CS

Frequently Asked Questions

What does 21CS do?

What is 21CS's email address format?

How many employees does 21CS have currently?

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Most Common Email Formats at 21CS

Frequently Asked Questions

What does 21CS do?

What is 21CS's email address format?

How many employees does 21CS have currently?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

21CS Email Format

Verify 21CS email addresses

Ready to create more pipeline?

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Everything for prospecting,
in one platform.