What departments does O1 Communications have?

O1 Communications has employees across 1 departments including Accounting.

What is the largest department at O1 Communications?

The largest department at O1 Communications is Accounting with 1 employees.

Where are O1 Communications employees located globally?

O1 Communications has employees across 3 continents and 4 countries including United Kingdom Of Great Britain And Northern Ireland, Ukraine, United States Of America, Peru.

How has O1 Communications's team size changed over time?

O1 Communications's team has decreased from approximately 15 to 12 employees based on available data.

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O1 Communications Employee Directory

TelecommunicationsCalifornia, United States11-50 Employees

O1 Communications is a mid-sized telecommunications provider based in El Dorado Hills, California, founded in 1998 as a competitive local exchange carrier. In its early years, it focused on delivering data services to Internet Service Providers and quickly grew to become one of California's largest dial-access providers for ISPs.

Today, the company continues to serve wholesale bandwidth and PSTN trunking to telecom service providers. Its customers include Internet Service Providers and other wholesale telecom entities that require reliable data connectivity and voice trunking services. The business operates within the telecommunications industry and is based in California.

O1 Communications Global Highlights

North America
25

United States Of America
25

Europe
2

United Kingdom Of Great Britain And Northern Ireland
1
Ukraine
1

South America
1

Peru
1

O1 Communications's Leadership

W. P.
Owner
Mobile Phone
Email
D. B.
Senior Director, Consumer Insights
Mobile Phone
Email
G. K.
Director
Mobile Phone
Email
Y. R.
Senior Accountant
Mobile Phone
Email

O1 Communications Employee Metrics

100%

50%

2026

2025

Administrative
Accounting
Branding
Business
Community & Social Services
Other
Engineering
Information Technology
Sales

Contact profiles from O1 Communications

Name

Title

Contact

Location

Last Update

W. P.
Owner
Mobile Phone
Email
Oct 23, 2024
D. B.
Senior Director, Consumer Insights
Mobile Phone
Email
Oct 17, 2024
G. K.
Director
Mobile Phone
Email
Oct 21, 2024
Y. R.
Senior Accountant
Mobile Phone
Email
Oct 23, 2024

Frequently Asked Questions

What is O1 Communications known for?

O1 Communications was founded in 1998 and operates in the Telecommunications industry. Explore O1 Communications's company overview page for more information.

What is O1 Communications's most common email format?

O1 Communications employees' email format typically follows the pattern of FLast@o1.com. Trying to find reliable and up-to-date employee contact data? Find more O1 Communications email formats with LeadIQ.

How many employees does O1 Communications have currently?

O1 Communications has approximately 37 employees as of August 2026. These team members are located across 3 continents, including North America, Europe and South America.

Who are O1 Communications's key employees and leadership?

As of August 2026, O1 Communications's key employees include:

Owner: W. P.
Senior Director, Consumer Insights: D. B.
Director: G. K.
Senior Accountant: Y. R.

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O1 Communications Employee Directory

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