TelegramTelegram signup or login: where does the code go?
A new signup may need a phone number; an existing account may receive the code on a signed-in device. Check that before looking for an SMS number.
Telegram verification optionsBridge-SMS / No usable phone number? Find your app’s verification options
No usable phone number? Find your app’s verification options
Choose the app you are trying to sign up for or sign in to. Each guide explains whether it needs a phone number, where the code goes, and what a rejection or missing SMS means. Explore a Bridge-SMS number only if the current step asks for a new number by text.
Telegram
WhatsAppWhatsApp signup without your own number: what works?
Check the app’s SMS and voice-call requirements, enter the country code correctly, and understand why VoIP or SMS-only numbers may fail.
WhatsApp phone requirements
TikTok / DouyinCan you sign up for TikTok without a phone number?
Try the available email signup route first; see when SMS is needed, why an old linked number matters, and how TikTok differs from Douyin.
TikTok signup and SMS
DiscordDiscord requires a phone number after signup?
Start with email, then understand Discord’s mobile-number rules and the Invalid Phone or Already Registered errors if a phone check appears.
Discord phone verification
Google / Gmail / YouTubeGoogle SMS verification: read a Gmail or YouTube code
If Google requests a text message, choose the Google/Gmail/YouTube service and a country, then read your order. Check the exact error if Google rejects the number.
Google SMS verification steps
InstagramInstagram signup without a phone: email or SMS?
Compare the official signup options, use SMS only when prompted, and see why a new number cannot receive an old account’s code.
Instagram signup optionsFollow the verification method currently shown by the target app.