How to use a free number for Instagram verification
The process takes under two minutes. Go to asms.ai and browse the list of shared numbers. Each entry shows the country flag and the full digit string. Pick one from a country Instagram accepts for your region. US and UK numbers work in the vast majority of cases.
On Instagram, when the phone verification screen appears, type the number you chose. Instagram will send an SMS code to that number. Switch back to asms.ai, open that number's page, and wait a few seconds. The inbox refreshes automatically. Read the code, enter it on Instagram, and you are done.
Shared numbers are public: anyone can view messages sent to them. That is fine for a single verification code that expires within minutes and is useless once entered. If you need a number that only you can access, asms.ai offers private numbers as a paid upgrade.
Is it really free? What is the catch?
There is no catch in the way most people fear. No sign-up, no email confirmation, no payment details needed for the shared numbers. The service is funded by the optional paid tier covering private numbers and API access.
The shared numbers are genuinely public. Anyone can read messages sent to them. That is the trade-off: zero cost in exchange for zero privacy on that inbox. For a six-digit Instagram code that expires immediately, this is entirely acceptable. Once you have entered the code, it is invalidated and useless to anyone who sees it afterwards.
What the free tier does not include: a number exclusive to you, bulk SMS receiving, or API access. Those are paid features. Everything else, picking a number, viewing incoming messages, receiving an Instagram verification code, costs nothing.
Why people use a temp number for Instagram
The most common reason is simple: people do not want Instagram holding their real mobile number permanently. Once a platform has your personal number, it uses it for ad targeting, account recovery prompts, and in some cases passes it to advertising partners. A temp number for Instagram breaks that link entirely.
A second group of users are creators or developers managing multiple Instagram accounts for clients, brands, or testing. Instagram requires a unique phone number per account. Rather than buying a stack of SIM cards, it is faster and cheaper to use asms.ai's rotating pool of shared numbers.
Others simply do not have a suitable number available: they are travelling, using a VoIP line that Instagram blocks, or setting up an account on a device with no SIM. A free Instagram verification number from asms.ai solves all three situations the same way.
Privacy and security: what you should know
Using a shared public number means your incoming SMS is visible to anyone who opens that number's page. For a short-lived OTP, the exposure is negligible. By the time someone else looks at the code, you will have already used it and Instagram will have invalidated it. Instagram codes typically expire within 10 minutes.
Your personal phone number stays completely private. Instagram never receives your real digits, so it cannot be linked back to you through carrier records or ad-targeting systems. This is the core reason people search for a fake number for Instagram, though 'shared public number' is the more accurate description of what asms.ai provides.
asms.ai does not log which user viewed which number or code. Messages are wiped from shared inboxes on a regular schedule, so old codes do not accumulate. For a higher level of privacy, a private number subscription gives you an inbox only you can read.
Which countries are available?
asms.ai currently offers numbers from the United States, United Kingdom, Germany, Georgia, Ukraine, and further countries added as the service expands. New numbers are added daily as supply allows.
Instagram accepts phone numbers from most countries for SMS verification, though US numbers (+1) and UK numbers (+44) have the broadest compatibility and are the most frequently used on the platform.
If a particular number is receiving heavy traffic, try a different number in the same country or switch to a country with a fresher pool. The number list on asms.ai shows which numbers are active and currently receiving messages.
Other services you can verify with the same number
The same shared number works for SMS verification on most major platforms: WhatsApp, Telegram, Twitter/X, TikTok, Facebook, Google, Microsoft, Discord, Snapchat, Tinder, and hundreds of other apps that send a one-time code by text.
Once you have the number open, you can receive SMS for Instagram one moment and verify a different service the next. Each incoming message appears in the same public inbox, regardless of which sender it came from.
One thing to know: some platforms maintain blocklists of known shared or VoIP number ranges. Instagram occasionally does this too. If a number is rejected, try another from the list. asms.ai rotates numbers regularly to keep the pool working.
Private numbers and API access
For users who need more than a single verification code, such as developers testing apps, agencies managing multiple accounts, or anyone wanting a number that only they can read, asms.ai offers private numbers. A private number is assigned exclusively to your account for the duration of your subscription, and no one else can view its inbox.
The asms.ai REST API and native MCP server go further, letting developers programmatically receive SMS messages, poll for codes, and integrate verification flows into automated pipelines. This is particularly useful for AI agents, QA automation, and account provisioning workflows. Full documentation is at asms.ai/api-docs and the MCP server is at asms.ai/mcp.
Both tiers are entirely optional. The free shared numbers remain free with no usage caps.