Fastmail SMS verification with a United States number is fast and private: rent a temporary non-VoIP United States mobile number and receive your Fastmail SMS code instantly. Local United States numbers are ideal when Fastmail requires a United States phone number for sign-up or recovery.
Pick Fastmail from our catalog of 1,300+ supported services. No account verification or KYC is required to get started.
Select the country whose number you need for your Fastmail verification. Each country shows live availability and the current price.
Your temporary non-VoIP number is issued instantly. The Fastmail OTP appears in your dashboard the moment it arrives — copy it and you're done.
Using a temporary number for Fastmail keeps your real identity private and lets you create or recover accounts without tying them to your personal SIM. Because the numbers are genuine non-VoIP mobile lines, they pass Fastmail's anti-fraud checks far more reliably than free online SMS sites or blocked VoIP ranges.
Yes — our United States (+1) numbers are real, non-VoIP mobile lines that Fastmail accepts for SMS verification. They have high deliverability and are not on the blocked VoIP lists Fastmail screens for.
Long enough to receive your Fastmail code — usually up to ~20 minutes. It's a one-time number for the verification, not a recurring rental.
The order expires and the United States number is auto-refunded to your balance. You only ever pay for numbers that successfully deliver a code.
No. You can order a United States number from anywhere in the world and receive the Fastmail SMS in your VoIPStore dashboard.