--- title: "Blog - Onetime Fax" description: "We write about all the cool things you can do with fax" canonical: "https://www.onetimefax.com/blog/" --- May 27, 2026 ### [ How to Receive an EIN by Fax from the IRS (2026) ](/blog/receive-ein-by-fax-irs-virtual-fax-number) How to get your IRS EIN response by fax after sending Form SS-4\. [Read more](/blog/receive-ein-by-fax-irs-virtual-fax-number) May 12, 2026 ### [ How to Fax PDF, JPG, PNG, TIFF, and HEIC Files Online (2026) ](/blog/how-to-fax-file-formats) Prepare and fax PDF, JPG, PNG, TIFF, HEIC, and WEBP files online. [Read more](/blog/how-to-fax-file-formats) March 14, 2026 ### [ Best Online Fax Services 2026: One-Time, Business, and Cheap Picks ](/blog/best-online-fax-services-2026) Best online fax services 2026 comparison by one-time, business, and cheap picks. [Read more](/blog/best-online-fax-services-2026) September 28, 2025 ### [ Best Online Fax Service for One-Time Faxing (2026): Compare Price, Speed, and Confirmation ](/blog/complete-guide-sending-fax-online) Compare one-time online fax services by price, setup speed, and confirmation. [Read more](/blog/complete-guide-sending-fax-online) September 28, 2025 ### [ How to Fax the IRS (2026): Fax Numbers, Forms, and Best Practices ](/blog/how-to-fax-the-irs) IRS fax guide (2026): where to send, what to include, and troubleshooting. [Read more](/blog/how-to-fax-the-irs) August 24, 2025 ### [ How to Send a Fax Online (2026): Step‑by‑Step Guide ](/blog/how-to-send-a-fax-online) How to send a fax online in minutes (with confirmation). [Read more](/blog/how-to-send-a-fax-online) August 8, 2025 ### [ Fax at The UPS Store vs Online Faxing (2026): Price, Limits, and Best Choice ](/blog/fax-at-ups-vs-online) UPS Store fax vs online fax: cost, hours, privacy, and page limits. [Read more](/blog/fax-at-ups-vs-online) August 8, 2025 ### [ Fax at FedEx vs Online Faxing (2026): Price, Limits, and Best Choice ](/blog/fax-at-fedex-vs-online) FedEx fax vs online fax: cost, hours, privacy, and page limits. [Read more](/blog/fax-at-fedex-vs-online) August 8, 2025 ### [ Fax Troubleshooting: Why Your Fax Failed and How to Fix It (2026) ](/blog/fax-troubleshooting-guide) Fix failed faxes: number format, busy lines, file size, and quality. [Read more](/blog/fax-troubleshooting-guide) August 8, 2025 ### [ How to Fax Passport Applications and Corrections (2026): U.S. State Department Tips ](/blog/how-to-fax-passport-application) Fax passport docs: cover sheet, what to include, timing, proof. [Read more](/blog/how-to-fax-passport-application) August 8, 2025 ### [ How to Fax to a Pharmacy (2026): Prior Auth, Clarifications, and HIPAA Tips ](/blog/how-to-fax-to-a-pharmacy) How to fax to a pharmacy: prior auth packets, privacy, and best practices. [Read more](/blog/how-to-fax-to-a-pharmacy) August 8, 2025 ### [ How to Fax to India (2026): +91 Format, Costs, and Common Errors ](/blog/how-to-fax-to-india) Fax to India: +91 format, drop leading 0, examples, and tips. [Read more](/blog/how-to-fax-to-india) August 8, 2025 ### [ How to Fax to Italy (2026): +39 Format, Costs, and the Leading‑0 Rule ](/blog/how-to-fax-to-italy) Fax to Italy: +39 format and the “keep the leading 0” rule. [Read more](/blog/how-to-fax-to-italy) August 8, 2025 ### [ How to Fax to Japan (2026): +81 Number Format, Costs, and Examples ](/blog/how-to-fax-to-japan) Fax to Japan: +81 format, drop leading 0, examples, and tips. [Read more](/blog/how-to-fax-to-japan) August 8, 2025 ### [ How to Fax to Spain (2026): +34 Number Format, Costs, and Tips ](/blog/how-to-fax-to-spain) Fax to Spain: +34 format, examples, costs, and tips. [Read more](/blog/how-to-fax-to-spain) August 8, 2025 ### [ How to Fax to the UK (2026): +44 Number Format, Costs, and Tips ](/blog/how-to-fax-to-uk) Fax to the UK: +44 format, drop leading 0, examples, and tips. [Read more](/blog/how-to-fax-to-uk) July 29, 2025 ### [ International Fax Country Codes (2026): Full List and Number Format ](/blog/international-fax-country-codes) International fax country codes list, organized by region. [Read more](/blog/international-fax-country-codes) January 28, 2025 ### [ Best eFax Alternatives (2026): Cheaper, Better Online Fax Options ](/blog/alternative-to-efax) The best eFax alternatives, compared by price, pages, and security. [Read more](/blog/alternative-to-efax) January 28, 2025 ### [ How to Send a Fax from Your Phone (2026): iPhone & Android Guide ](/blog/fax-from-phone) How to fax from iPhone or Android (scan, send, troubleshoot). [Read more](/blog/fax-from-phone) January 28, 2025 ### [ Essential Fax Numbers for Expats: Your Complete Guide to US Government Faxing ](/blog/fax-numbers-for-expats) Essential Fax Numbers & Resources for American Expats Living Abroad [Read more](/blog/fax-numbers-for-expats) January 28, 2025 ### [ Fax vs Email Security (2026): Which is More Secure for Sensitive Documents? ](/blog/fax-vs-email-security) Fax vs Email Security: Complete Security Comparison (2026) [Read more](/blog/fax-vs-email-security) January 28, 2025 ### [ How to Fax Legal Documents (2026): Court-Ready Cover Pages and Proof ](/blog/fax-legal-documents) How to fax legal documents with confirmations and security best practices. [Read more](/blog/fax-legal-documents) January 28, 2025 ### [ Fax Without Subscription: Send a One-Time Fax in 2026 ](/blog/fax-without-subscription) How to send a fax without a subscription: one-time, free, and pay-per-use options. [Read more](/blog/fax-without-subscription) January 28, 2025 ### [ Are Faxes Secure in 2026? Online Fax vs Email vs Fax Machines ](/blog/how-secure-are-faxes) How secure are faxes in 2026? Online vs traditional vs email. [Read more](/blog/how-secure-are-faxes) January 26, 2025 ### [ Why Faxes Are Still Used in 2026: Healthcare, Legal, and Government ](/blog/why-faxes-are-still-useful) Why fax still matters in healthcare, legal, finance, and government. [Read more](/blog/why-faxes-are-still-useful) January 22, 2025 ### [ How to Send International Faxes (2026): Country Codes, Format, and Tips ](/blog/send-international-faxes) How to send an international fax (format, country codes, costs). [Read more](/blog/send-international-faxes)