Google Tightens Account Verification as Virtual Phone Number Services Fade

Google and other major tech platforms are intensifying their crackdowns on accounts registered with virtual phone numbers, flagging and disabling accounts at unprecedented rates. Users who previously relied on services like HahaSIM and Giffgaff for secondary international numbers are finding their options increasingly limited — and their existing accounts suddenly at risk.

The escalation comes as AI services tied to Google accounts — including Gemini, Google Cloud AI APIs, and Google Colab — become more valuable, making account verification a critical bottleneck for developers and researchers worldwide.

Key Takeaways

• Google is aggressively flagging accounts created with virtual or secondary phone numbers, disabling them for suspected policy violations
• Popular virtual SIM services like HahaSIM have become less reliable as platforms improve detection algorithms
• Disabled accounts face a 2-stage process: immediate suspension followed by permanent deletion roughly 1 year later
• The crackdown affects access to AI tools, cloud services, and developer APIs tied to Google accounts
• Legitimate users are caught in the crossfire of anti-bot measures designed to combat spam and abuse
• Alternative verification methods remain limited, with most major platforms still requiring phone-based SMS verification

Google's Risk Control System Flags Virtual Numbers at Scale

Recent reports from users across developer forums reveal a sharp increase in Google account suspensions tied to phone number verification. Accounts registered with virtual numbers are receiving automated messages stating: 'It looks like this account was created or used with multiple other accounts to violate Google's policies.'

The system now explicitly warns that flagged accounts 'might have been created by a computer program or bot.' This language signals that Google's anti-fraud algorithms have become sophisticated enough to identify patterns associated with virtual phone number providers — including shared number pools, rapid registration sequences, and geographic inconsistencies between IP addresses and phone number regions.

What makes this particularly concerning is the timeline Google enforces. Disabled accounts receive an immediate suspension date, followed by a deletion consideration window approximately 11 months later. Users can appeal, but success rates for accounts linked to virtual numbers appear low based on community reports.

Why Virtual Phone Number Services Are Struggling

The landscape of international virtual phone number services has shifted dramatically over the past 2 years. Services that once provided reliable secondary numbers for account verification are facing multiple pressures:

• Carrier-level blocking: Major telecom providers now share databases of known virtual number ranges, allowing platforms to reject them during registration
• Pattern detection: AI-powered fraud systems identify when multiple accounts register from the same number pool within short timeframes
• Regulatory pressure: Governments in the US, UK, and EU are tightening requirements for SIM registration, reducing anonymous number availability
• Service discontinuation: Several virtual SIM providers have shut down or restricted their services due to liability concerns

Giffgaff, the UK-based MVNO that was popular among international users for its easy-to-obtain SIM cards, still operates but has tightened its own verification requirements. Numbers that go unused for extended periods are recycled, creating additional complications for users who forget to maintain their accounts with periodic top-ups.

HahaSIM and similar services that offered disposable or semi-permanent international numbers have seen their number pools increasingly blacklisted by major platforms. Google, Apple, Microsoft, and OpenAI all maintain internal databases of number ranges associated with virtual services.

The AI Access Problem: Why This Matters Now

This verification crackdown carries outsized significance in 2025 because phone-verified accounts serve as gatekeepers to the most important AI tools and services available today. A Google account is not just an email address — it is the key to an entire ecosystem.

Consider what a single Google account unlocks:

• Gemini Pro and Ultra access for AI-powered productivity
• Google Cloud Platform credits and AI/ML API access
• Google Colab notebooks for running machine learning models
• Firebase and other developer tools essential for AI application deployment
• Android developer accounts for publishing AI-powered mobile apps
• YouTube API access for content analysis and generation projects

For developers and researchers outside the United States and Western Europe, obtaining a reliable phone number that passes Google's verification is a genuine barrier to entry. This creates an uneven playing field where geographic location and telecom infrastructure directly impact access to cutting-edge AI tools.

Compared to OpenAI's verification process, which recently introduced alternative methods including email-only registration for ChatGPT, Google's approach remains firmly anchored to phone-based SMS verification. Microsoft similarly requires phone verification for Azure accounts but has been slightly more lenient with virtual numbers in some regions.

What Options Remain for Legitimate Users

For users genuinely seeking secondary international phone numbers for legitimate purposes — such as maintaining separate personal and professional accounts, or accessing region-locked services — the remaining options fall into several categories.

Physical SIM cards from international carriers remain the most reliable option. Services like T-Mobile in the US, Three in the UK, and Vodafone across Europe offer prepaid SIMs that pass virtually all verification checks. The trade-off is cost and maintenance — most require periodic top-ups ranging from $5 to $20 every 30 to 90 days to keep numbers active.

eSIM services represent a growing alternative. Providers like Airalo and Holafly offer digital SIMs that can be activated instantly on compatible devices. However, not all eSIM services support SMS reception, which limits their usefulness for account verification.

Google Voice numbers, ironically, are sometimes rejected by Google's own verification system when used to create new accounts. This circular problem highlights the inconsistency in platform verification policies.

Some users have turned to VoIP services like Skype Number or Hushed, but these face the same detection challenges as other virtual number providers. Success rates vary significantly by region and timing.

Platform Verification Is Becoming an Industry-Wide Challenge

Google's tightening verification is part of a broader industry trend. Apple now requires phone verification for Apple ID creation in most regions. Amazon Web Services verifies phone numbers during account setup. Even Hugging Face, the popular AI model repository, has introduced additional verification steps for accessing certain models and compute resources.

The underlying tension is clear: platforms need to prevent automated account creation and abuse, but their detection systems inevitably catch legitimate users in the process. The false positive rate of these systems is difficult to quantify because companies rarely publish detailed data about their anti-fraud operations.

Industry analysts estimate that Google alone disables millions of accounts annually for suspected policy violations, with a significant portion involving phone number-related flags. The appeal process exists but is notoriously slow and opaque, with users reporting wait times of 2 to 6 weeks for a response — and frequent denials without detailed explanations.

Looking Ahead: The Future of Digital Identity Verification

The phone number verification model is showing its age. Originally designed when phone numbers were tightly coupled to physical identities, the system struggles in an era of virtual numbers, eSIMs, and global digital nomadism.

Several potential alternatives are emerging on the horizon:

• Passkey-based verification using biometric data stored on devices, already supported by Google and Apple
• Decentralized identity systems built on blockchain technology, though adoption remains minimal
• Government ID verification similar to what some financial services require, raising privacy concerns
• Behavioral analysis that verifies users based on usage patterns rather than phone numbers
• Web of trust models where existing verified users can vouch for new accounts

World ID from Tools for Humanity (formerly Worldcoin) represents one ambitious attempt to solve digital identity verification through iris scanning, though it faces significant regulatory scrutiny in Europe and privacy concerns globally.

For now, the practical advice for users is straightforward: maintain physical SIM cards from reputable carriers, keep numbers active with regular top-ups, and avoid using the same phone number across too many accounts. Users who have already been flagged should submit appeals promptly and download their data while access remains available.

The verification challenge is unlikely to ease in the near term. As AI services become more powerful — and more valuable — platforms will continue to invest in stricter anti-fraud measures. The collateral damage to legitimate users is an acknowledged but largely unaddressed cost of doing business in the age of automated account creation and AI-powered abuse.