Skip to content
Prism and Pulse

Numbers · one-time codes

One code, one US number, paid on arrival.

Choose the platform you are signing up for, take a carrier-issued US number and enter it with +1. The code appears in your dashboard, highlighted, usually within minutes. If nothing arrives before the window closes, you pay nothing.

01 — The order

What happens after you take a number

  1. 01

    Issued and held

    The number is yours alone for the window. Its price is held on your wallet, not charged.

  2. 02

    The platform sends

    Enter the number with +1 and request the code. It lands in your dashboard with the code picked out.

  3. 03

    Charged, or released

    A code turns the hold into the charge. No code by the end of the window, and the hold is released.

Order · sampleCode received

US number · +1

(555) 010-4821

Window

—

Verification code

482 913

  1. Held on wallet · not charged
  2. Window open · up to 15 min
  3. Charged only now
Illustration · fictional number, not live data

02 — Included

Every one-time number comes with

Designed for the single code a sign-up needs, with nothing to cancel afterwards.

  • A carrier-issued US number, issued to you alone
  • A verification window of up to 15 minutes
  • Charge only when a code arrives
  • Codes highlighted in your dashboard in real time
  • Carrier, area-code and state options where a route offers them
  • Automatic release of the hold when no code comes

03 — Choosing

One-time number or rental?

Decide by asking whether the platform will text this number again.

You needOne code to finish a sign-upChooseOne-time numberWhyPaid only on delivery, released when the window closes
You needCodes for logins, resets or new devicesChooseNumber rentalWhyThe same number keeps receiving for the whole period
You needCalls, texts and data on your phoneChooseUS eSIM lineWhyA full mobile line you install and renew

04 — Questions

About one-time numbers

Have a 2FA secret already? The free 2FA code generator turns it into the current code in your browser.

What is a non-VoIP number?

It is a phone number that a mobile carrier issued for a real cellular line, not a virtual number generated by an internet calling app. Because many sign-up forms check the line type before sending a code, carrier-issued numbers are accepted in far more places than VoIP numbers.

Why would I use a non-VoIP US number for verification?

Apps see it as an ordinary US mobile number, so it passes the line-type checks that block virtual numbers. You are charged only if a code actually arrives, so a refused number costs you nothing.

How does a one-time number work?

Pick the app you are signing up for, take a number and enter it in the app with the +1 country code. The code shows up in your dashboard, highlighted, usually within a few minutes. The number is reserved for you alone for the whole window.

How long is a one-time number mine?

For a verification window of up to 15 minutes. When the window closes the number is released, so it is meant for a single code, not for later logins.

What happens if no code arrives?

The order expires when its window ends and the amount held on your wallet is released automatically. You only pay when a code is actually delivered.

Where do the numbers come from?

Every number is a United States number. Where a service supports it, you can ask for a particular US state or area code before you order.

Which apps and sites can I receive codes from?

A wide range, from messaging apps and email providers to marketplaces and developer tools. Search the catalog in your dashboard: each service shows its current price and whether numbers are in stock.

How quickly does the code arrive?

Usually within minutes of the app sending it. It appears in your dashboard as soon as it lands and can be copied with one tap.

Can I reuse a one-time number later?

No. Once the window closes the number goes back to the pool. If you expect to need codes on the same number again, for a new device or a password reset, rent a number instead.

What can I legitimately use these numbers for?

Signing up for US services that ask for a US number, keeping work and personal accounts apart, keeping your own number away from spam and data leaks, and testing sign-up flows as a developer or QA team. Use every number within each app's own terms and the law.

Take your first number

Open an account, top up with crypto, and pay only for codes that arrive.