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Products & Services
About HelloFax Inc
Send and receive faxes online with Dropbox Fax (formerly HelloFax). Fast, secure, and reliable faxing from any device. Start faxing for free today! HelloFax Inc is a company classified under All Other Telecommunications, based in San Francisco, California, United States, operating in Telecommunication providers, employing 101-250 people and reporting $25M-$50M in annual revenue.
Its primary NAICS classification is 517810 (All Other Telecommunications). HelloFax Inc is one of 236,061 Communication companies listed in California.
Business Contact Information
- Phone
- +1 (415) 7660273
- Website
- hellofax.com
- linkedin.com/company/hellofax
- facebook.com/hellosignapp
- Address
- 428 Waller St, San Francisco, California, 94117, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 51Information
- 5178All Other Telecommunications
- 517810All Other Telecommunications
SIC Codes
- 48Communications
- 489Communications Services, Not Elsewhere
- 4899All Other Telecommunications
Company Details
- Employees
- 130 (101-250)
- Annual Revenue
- $28.0M ($25M-$50M)
HelloFax Inc: frequently asked questions
What does HelloFax Inc do?
Send and receive faxes online with Dropbox Fax (formerly HelloFax). Fast, secure, and reliable faxing from any device. Start faxing for free today!
Where is HelloFax Inc located?
HelloFax Inc is headquartered at 428 Waller St, San Francisco, California, 94117, United States.
How many employees does HelloFax Inc have?
HelloFax Inc has about 130 employees (the 101-250 range).
What is HelloFax Inc's annual revenue?
HelloFax Inc's annual revenue is estimated at $28.0M (the $25M-$50M range).
What industry is HelloFax Inc in?
HelloFax Inc is in the Communication / Telecommunication industry, and its primary NAICS code is 517810 (All Other Telecommunications).
How can I contact HelloFax Inc?
Its website is hellofax.com and its phone number is +1 (415) 7660273.
Largest companies in California
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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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