Guides
Practical, step-by-step guides from the Decibell team.
How to keep a home-country phone number when you move abroad
Your realistic options for staying reachable back home after a move, what a new home-country number can and cannot replace, and how to set one up so family, friends and services can still reach you.
Published: 4 min read
How to get a local phone number for a trip or a long stay abroad
When a local number actually helps while you travel, why it does not replace mobile data or emergency access, and how to set one up for your stay and release it when you leave.
Published: 4 min read
How to keep your personal number private when selling online, renting or meeting new people
Where a personal number leaks, what a separate line does and does not protect, habits that help either way, and how to run and later retire a number for listings and first contacts.
Published: 4 min read
How to get a second phone number without a second SIM card
Why a separate line is worth having, the three ways to get one, what to check before you choose a virtual number, and how to set one up on your phone in a few minutes.
Published: 3 min read
Why verification codes may not work on a virtual phone number, and what to check first
Many services, including many banks and messaging apps, don't send codes to internet-based numbers. Why that happens, what to check before you rely on a virtual number, what to do when a code does not arrive, and why the number has to outlive the account.
Published: 3 min read