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Products & Services
About Central Office
This profile covers Central Office, a company classified under Telecommunications Resellers, based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 1-5 people and reporting $0M-$1M in annual revenue.
Its primary NAICS classification is 517121 (Telecommunications Resellers). Central Office is one of 39,468 Communication companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 3574800
- Website
- centraloffice.com
- facebook.com/centralofficepage
- Address
- 216 W Jackson Blvd, Chicago, Illinois, 60606, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 51Information
- 5171Wired and Wireless Telecommunications (except Satellite)
- 517121Telecommunications Resellers
SIC Codes
- 48Communications
- 481Telephone Communications
- 4812Wireless Telecommunications Carriers (Except Satellite)
Company Details
- Employees
- 2 (1-5)
- Annual Revenue
- $194,000 ($0M-$1M)
Central Office: frequently asked questions
What does Central Office do?
This profile covers Central Office, a company classified under Telecommunications Resellers, based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 1-5 people and reporting $0M-$1M in annual revenue.
Where is Central Office located?
Central Office is headquartered at 216 W Jackson Blvd, Chicago, Illinois, 60606, United States.
How many employees does Central Office have?
Central Office has about 2 employees (the 1-5 range).
What is Central Office's annual revenue?
Central Office's annual revenue is estimated at $194,000 (the $0M-$1M range).
What industry is Central Office in?
Central Office is in the Communication / Telecommunication industry, and its primary NAICS code is 517121 (Telecommunications Resellers).
How can I contact Central Office?
Its website is centraloffice.com and its phone number is +1 (312) 3574800.
What companies are similar to Central Office?
Other large communication companies in Illinois include Etisalat, Assurance Wireless, Telephone and Data Systems Inc and Telephone and Data Systems Inc.
Largest companies in Illinois
Largest communication companies
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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