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Products & Services
About WorldCom
This profile covers WorldCom, a company classified under Wired and Wireless Telecommunications (except Satellite), based in San Francisco, California, United States, operating in Telecommunication providers, employing 11-20 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 517111 (Wired Telecommunications Carriers). WorldCom is one of 236,061 Communication companies listed in California.
Business Contact Information
- Phone
- +1 (415) 4347890
- Address
- 345 California St, San Francisco, California, 94104, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 51Information
- 5171Wired and Wireless Telecommunications (except Satellite)
- 517111Wired Telecommunications Carriers
SIC Codes
- 48Communications
- 481Telephone Communications
- 4813Wired Telecommunications Carriers
Company Details
- Employees
- 13 (11-20)
- Annual Revenue
- $2.1M ($1M-$5M)
WorldCom: frequently asked questions
What does WorldCom do?
This profile covers WorldCom, a company classified under Wired and Wireless Telecommunications (except Satellite), based in San Francisco, California, United States, operating in Telecommunication providers, employing 11-20 people and reporting $1M-$5M in annual revenue.
Where is WorldCom located?
WorldCom is headquartered at 345 California St, San Francisco, California, 94104, United States.
How many employees does WorldCom have?
WorldCom has about 13 employees (the 11-20 range).
What is WorldCom's annual revenue?
WorldCom's annual revenue is estimated at $2.1M (the $1M-$5M range).
What industry is WorldCom in?
WorldCom is in the Communication / Telecommunication industry, and its primary NAICS code is 517111 (Wired Telecommunications Carriers).
How can I contact WorldCom?
Its phone number is +1 (415) 4347890.
Largest companies in California
Largest communication companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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