Guides
Practical, step-by-step answers about phone numbers, SMS verification and privacy.
How to Get a Second Phone Number for WhatsApp (Without a New SIM)
To get a second WhatsApp number without a new SIM, rent a real mobile number online (for example from SMS Hallo, from $1.80/month), enter it in WhatsApp with the + and country code, and type in the 6-digit code that arrives in your online inbox. Keep the number rented for as long as you use the account so you can always re-verify it.
How to Receive SMS Online: A Complete Guide to Verification Codes
You can receive SMS online by renting a private mobile number and reading its messages in a web inbox. Unlike free public numbers, a private number is used only by you, so codes can't be read by strangers and you can keep the number for future logins.
How to Get a US Phone Number From Outside the US
To get a US phone number from abroad, rent a real +1 mobile number online. With SMS Hallo you pick a US number, pay with USDT or USDC, and start receiving SMS and calls right away — no US address, SIM card or ID required — from $1.80/month.
How to Get a UK Phone Number From Abroad
You can get a UK phone number from abroad by renting a real +44 mobile number online. On SMS Hallo, choose a UK number, pay with stablecoins and it's active instantly — no UK address or ID needed — from $1.80/month.
Why You Need a Second Phone Number for Privacy (and How to Get One)
A second phone number keeps your personal number out of sign-up forms, marketplaces and public profiles, which reduces spam, scam calls and account linking. The easiest way to get one is to rent a private mobile number online and use it only for the places you don't fully trust.
How to Use Telegram Without Your Personal Phone Number
To use Telegram without your personal number, sign up with a separate private mobile number, set 'Who can see my phone number' to Nobody, and keep the number renewed so you can receive future login codes.
How to Pay With USDT or USDC: A Beginner's Step-by-Step Guide
To pay with USDT or USDC, buy the stablecoin on an exchange or wallet, choose the network the merchant shows (for example Tron or BNB Chain), and send the exact amount to the address or QR code provided. Always match the network and the amount, including decimals.
How to Keep an Online Phone Number Long Term (Renewals and Expiry Explained)
To keep an online phone number long term, renew it before the rental ends or switch on auto-renew with enough wallet balance. If a number expires it can be reassigned, so renew any number your accounts depend on.