Fax guides & resources
Practical help with sending faxes, IRS forms, and choosing a service.
Lifetime Fax Numbers 101: What They Are and Who Needs Them
Learn what a lifetime fax number is, when occasional receivers should buy one, and how it compares to a 30-day line or a monthly plan.
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Lifetime vs 30-Day vs Subscription: Which Fax Number Should Occasional Receivers Buy?
Compare temporary, lifetime and monthly fax numbers by receiving time, included pages and usage costs. Choose a number for your actual reply needs.
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How to Port Your Fax Number (Step-by-Step, 2026)
Learn how to port your fax number: gather your LOA and carrier bill, submit a transfer, keep service active and test routing. Free eligible SingleFax port-in.
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UPS, Staples & FedEx Fax vs Online: Cost & Options
Compare store faxing with browser sending using official service details. Check local rates, receiving options, confirmation and payment terms.
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What Is a Fax Number? Format & How to Get One
A fax number is a telephone number answered by a fax machine or online service. Learn its format, examples, how to find one and when you need your own.
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Who Needs a Permanent Fax Number in 2026 (and Who Should Skip It)
Choose a permanent fax number only when you need ongoing replies. Compare lifetime usage charges, monthly plans and temporary receiving options.
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How to Fax From Gmail (No Add-On, 2026) — $0.99
Fax from Gmail without an add-on: attach your document, put the fax number in the subject and complete the gateway payment link. Starts at $0.99.
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How to Fax From Outlook: Desktop, Web & Mobile
Fax from Outlook using a browser or email gateway. Covers desktop, web and mobile, attachment limits, recipient formatting and checkout.
How to Test a Fax Machine (Send and Receive)
Test a fax machine: send a harmless test page to +1 443 FAX TEST, keep the report, check the live gallery copy, and test receiving. HP and Canon tips.
Fax Cover Sheet Templates: Free PDF & Word
12 free printable fax cover sheet templates with filled samples. Download a PDF or editable Word file for business, medical, legal, IRS and personal use.
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How to Fax Form 15397 (Recipient Statement Extension) in 2026
Form 15397 fax numbers: 877-477-0572 or 304-579-4105 internationally. Request more time to furnish recipient statements, not to file with the IRS.
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Form 2553 Fax Numbers 2026: State Routing
Find where to fax or mail Form 2553 by state. Compare Kansas City and Ogden fax numbers, mailing addresses and S-corp election confirmation.
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