Fax guides
Each guide answers one question first, then gives the steps, with links to the official sources it is based on.
- Fax number formats in the US and Canada
US and Canadian fax numbers are 10 digits after +1, written NXX-NXX-XXXX. How to read area codes, toll-free codes and the +1 form.
- How to fax a PDF from the Files app
Fax a PDF saved in the iPhone Files app, iCloud Drive included. Find the file, add it in the fax app, check the pages, enter the number and send.
- How to fax from an iPhone
Fax from your iPhone without a fax machine or phone line. Scan or pick the pages, enter the fax number, check the price, send, and keep the PDF receipt.
- How to fax multiple pages and keep them in order
Send a multi-page fax in the right order. Add every page, check the order, leave out pages forms say not to send, check page limits, then send.
- How to fax the IRS
The IRS has no single fax number. Find the number for your form or notice, check the signature and cover sheet rules, send, and keep the fax receipt.
- How to fill out a fax cover sheet
What to write in each field of a fax cover sheet, which agencies require one or forbid one, and a free generator that makes the PDF in your browser.
- How to know if a fax went through
A fax went through when the receiving machine confirms the pages. What a delivery receipt shows, what it does not, and what to do if it fails.
- How to send a fax to Canada from the US
Canadian fax numbers use the same +1 format as US numbers, so you dial them the same way. How to check the number is Canadian and send at the same price.
- Why a fax fails: busy, no answer, wrong number
Why a fax is not delivered: a busy line, no answer, a dropped call, a number that is not a fax machine. What each means and what to do next.