Verify before sending. Fax numbers can change or differ by department, plan, form, and location. Confirm the result directly with the organization before sending sensitive documents. FaxFlow is not affiliated with directory organizations.
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Examples: Vanguard retirement, Medicare prior authorization, or (212) 555-0123
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Look up the fax number for a company, hospital, insurer, or government office — each with its own page showing the department and what the number is for.
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Every number shows when it was checked and where it came from, so you can confirm the department still takes faxes before you send.
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Most searched fax numbers by category
Start with popular directory results, then open the company page for department, purpose, source, and verification details. Use the filters above to focus on one category.
Tax
IRS forms and tax processing departments
Healthcare
Healthcare agencies and medical administration
Zufall Health Center
(973) 325-2273
General medical/dental communications; used for medical records requests, patient document submissions, appointment-related communications.
ZOLL Lifecor Corporation
(866) 567-7615
LifeVest Medical Orders
Zion Eye Institute
(435) 628-5499
Ophthalmology
Zion Angels Transportation Service
(984) 272-2500
Non-emergency Medical Transport (VAN)
Insurance
Claims, prior authorization, and pharmacy benefits
Government
Federal and state agencies and public programs
Yuba County Clerk-Recorder's Office
(530) 749-7854
Clerk-Recorder
Yorkgate Employment & Social Services (Ontario Disability Support Program - ODSP) – City of Toronto
(416) 325-5901
Ontario Disability Support Program (ODSP) – Yorkgate Office
York Region Early Intervention Services (EIS) and York Region Preschool Speech Language Program (YRPSLP) intake
(905) 762-2115
Early Intervention Services (EIS) intake / Infant and Child Development Services
York General District Court
(757) 890-3459
York General District Court Clerk's Office
Legal
Courts, filings, and legal administration
Zwicker & Associates, P.C.
(859) 586-2259
Debt collection
Zwicker & Associates, P.C.
(904) 997-2151
Legal - Debt collection & litigation
Zwicker & Associates, P.C.
(847) 677-7415
Debt collection communications and litigation on behalf of creditors; handling demand letters, settlement offers, and lawsuits on accounts in collections.
YouTube (Google LLC)
(650) 872-8513
Legal Support
Business
Business services and public records offices
Zanotto's Rose Garden
(408) 294-2469
General business communications; used for catering orders and event inquiries (as seen on Zanotto's Catering page).
Yardie Beverages
(516) 984-7282
Yardi Systems
(800) 819-5182
General corporate inquiries and document submissions to Yardi Systems (North America); they may respond with confirmations, invoices, and contract updates, or other business documents.
Xpress Fuel Travel Center #1262
(915) 851-2312
General store communications (fax line for Clint, TX location).
Lookup guides
Find and verify the right destination
Reverse fax lookup
Identify which organization a fax number may belong to.
Read guideLookup by name
Find a business fax number when you know the organization.
Read guideDoctor fax lookup
Use the NPI Registry and official provider sources.
Read guideBusiness fax lookup
Find destinations by company and business type.
Read guideFax number checker
Validate number format before you send.
Read guideIRS fax directory
Match IRS forms and states to the correct destination.
Read guideQuestions
Fax number lookup FAQ
How do I look up a fax number?
Enter an organization or department name to find its fax number, or enter a full 10-digit number for reverse lookup. Review the department and source details on the result page, then confirm the number directly before sending sensitive material.
Can I search by organization name?
Yes. Enter a company, hospital, insurer, agency, or department name and FaxFlow shows every matching fax number in the directory, ranked by relevance. You can filter the results by category to narrow them down.
Is this a reverse fax number lookup?
Yes. Search a complete US or Canada fax number to see whether the directory can identify the organization and department associated with it. Fax numbers are not centrally registered, so no reverse lookup can guarantee a match.
Are directory fax numbers guaranteed to be current?
No. Fax numbers can change and large organizations often use different lines by department, form, plan, or location. FaxFlow provides source context, but you should confirm the number with the recipient before sending.
Can I send a fax after I find the number?
Yes. Every result has a Send fax now button that opens the FaxFlow web platform with the fax number and recipient already filled in.
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