Supported Platforms &
SMS Verification A–Z
A comprehensive, carrier-tested index of 100+ banking, dating, crypto, and commerce platforms verified with SecondSim. Every SecondSim number is issued on the Vodafone UK cellular network — satisfying automated carrier HLR checks, meeting identity security criteria, and receiving 2FA SMS codes instantly.
Verified Directory (61 Platforms)
Filter by category or search by platform name to see how SecondSim satisfies carrier verification rules.
Adidas Confirmed
RetailNever gets blocked by "Something went wrong." errors caused by Anti-bot systems reject virtual prefixes.
Airbnb
TravelNever gets blocked by "We couldn't verify your phone number." errors caused by Flags VoIP as 'high risk' for host accounts.
Amazon Seller
RetailNever gets blocked by "Internal Error / OTP not received." errors caused by Requires utility-bill linked mobile for sellers.
AWS (Amazon Cloud)
CloudNever gets blocked by "We could not verify your phone number." errors caused by Often rejects VoIP for Free Tier signups.
Barclays
BankingNever gets blocked by "Error 00002 / Mobile number does not match records." errors caused by Cross-references number with credit bureaus (Experian) where VoIP is invisible.
Battle.net (Blizzard)
GamingNever gets blocked by "Please enter a post-paid phone number." errors caused by Explicitly requires contract mobile line (Post-paid).
Bet365
GamblingNever gets blocked by "Please contact us to verify your location." errors caused by Uses mobile signal triangulation to prove UK residency.
Binance
CryptoNever gets blocked by "Verification code limit exceeded." errors caused by SMS delivery failure via aggregators.
Bumble
DatingNever gets blocked by "Invalid verification." errors caused by Rejects numbers from known virtual providers.
Cash App
PaymentNever gets blocked by "We could not sign you in." errors caused by Often shadowbans accounts created with VoIP.
Chase UK
BankingNever gets blocked by "Something went wrong. Please try again later." errors caused by Mobile-only bank with strict anti-VoIP firewalls.
Claude (Anthropic)
AINever gets blocked by "Error sending code. Please try a different number." errors caused by Strict carrier filtering blocks virtual/prepaid.
Crypto.com
CryptoNever gets blocked by "Invalid phone number format." errors caused by Rejects virtual carriers during KYC.
Deliveroo
GigNever gets blocked by "Verify your identity to go online." errors caused by Rider accounts need permanent UK mobile for insurance.
Depop
RetailNever gets blocked by "Something went wrong." errors caused by Shadowbans virtual numbers.
Discord
GamingNever gets blocked by "Invalid phone number." errors caused by Anti-alt measures; flags virtual numbers.
eBay
RetailNever gets blocked by "Please provide a valid mobile number." errors caused by Prevents ban-evasion by suspended sellers.
Etsy
RetailNever gets blocked by "Your shop is in Holiday Mode." errors caused by VoIP triggers manual fraud review, freezing shops.
Faceit
GamingNever gets blocked by "Verification Failed. Phone type not supported." errors caused by Anti-cheat system rejects virtual numbers.
First Direct
BankingNever gets blocked by "We can't verify this device." errors caused by Device fingerprinting requires physical SIM match.
Google Cloud
CloudNever gets blocked by "This phone number cannot be used for verification." errors caused by Strict identity checks block virtual numbers.
Gov.uk (HMRC)
GovNever gets blocked by "Access Code not received." errors caused by Gateway ID relies on UK mobile infrastructure.
GOV.UK One Login
GovNever gets blocked by "We cannot send a code to this number." errors caused by New government system requiring UK mobile infrastructure.
Gumtree
RetailNever gets blocked by "Please enter a valid mobile number." errors caused by Blocks VoIP to prevent scam listings.
Halifax
BankingNever gets blocked by "We can't send you a code right now." errors caused by Shared infrastructure with Lloyds; blocks virtual routing.
Hinge
DatingNever gets blocked by "You've been banned." errors caused by Aggressive anti-bot filters block VoIP ranges.
HSBC UK
BankingNever gets blocked by "Code not received / System Error 085" errors caused by Secure Key activation requires strict GSM routing paths.
Never gets blocked by "We restricted certain activity." errors caused by VoIP verification leads to immediate shadowbans.
Kraken
CryptoNever gets blocked by "Invalid phone number." errors caused by Requires physical SIM for KYC compliance.
Lloyds Bank
BankingNever gets blocked by "We cannot send a code to this number." errors caused by Automated verification calls fail to connect to virtual lines.
Metro Bank
BankingNever gets blocked by "Please visit a branch to update your details." errors caused by VoIP numbers trigger fraud alert requiring in-person fix.
Microsoft Azure
CloudNever gets blocked by "We cannot verify your identity." errors caused by High fraud score for VoIP numbers.
Monese
BankingNever gets blocked by "We couldn't verify your phone number." errors caused by Requires a physical UK SIM for geo-location checks.
Monzo
BankingNever gets blocked by "Sorry, there was a problem. Please contact us." errors caused by Requires Tier-1 mobile network signal for app security check.
NatWest
BankingNever gets blocked by "Activation code not received." errors caused by App requires SIM card to be physically present in device.
Nextdoor
SocialNever gets blocked by "We can't verify this phone number." errors caused by Strict neighborhood verification requires billing address match.
NHS App
GovNever gets blocked by "We could not match your details." errors caused by Matches P5 data with mobile billing addresses.
Nike SNKRS
RetailNever gets blocked by "Please enter a valid mobile number." errors caused by Elite bot protection blocks all non-carrier numbers.
OpenAI (ChatGPT)
AINever gets blocked by "Suspicious activity detected from this number." errors caused by Global anti-abuse filters block VoIP subnets.
PayPal
PaymentNever gets blocked by "We're sorry, we can't use this number." errors caused by Global block on bandwidth.com/Twilio (VoIP) numbers.
Revolut
BankingNever gets blocked by "We could not verify your number. Please try another." errors caused by Flags VoIP as 'high risk', often locking accounts during travel.
Roblox
GamingNever gets blocked by "Verification failed." errors caused by 2FA for high-value trading often fails.
Santander UK
BankingNever gets blocked by "One Time Passcode (OTP) service is not available." errors caused by Explicitly blocks non-mobile ranges (+44 7... matching VoIP).
Signal
SocialNever gets blocked by "Network error." errors caused by Privacy-first architecture rejects non-carrier numbers.
Starling Bank
BankingNever gets blocked by "This number is not supported." errors caused by Checks for Mobile Network Code (MNC). VoIP lines lack this.
Steam
GamingNever gets blocked by "VoIP numbers are not supported." errors caused by Required for Prime matchmaking status.
Telegram
SocialNever gets blocked by "Phone number banned." errors caused by Actively purges accounts on cheap VoIP lines.
Tesco Clubcard
RetailNever gets blocked by "Code not received." errors caused by 2FA for 'Plus' accounts often fails on VoIP.
Ticketmaster
RetailNever gets blocked by "VoIP or Landline numbers are not accepted." errors caused by Anti-scalping measures block virtual numbers.
TikTok
SocialNever gets blocked by "This number is already registered." errors caused by Flags VoIP as recycled/spam numbers.
TSB
BankingNever gets blocked by "We are unable to send an OTP to this number." errors caused by SMS delivery failure common on virtual networks.
Twitter / X
SocialNever gets blocked by "Unsupported phone number." errors caused by Blocks VoIP to prevent bot farms.
Uber (Driver)
GigNever gets blocked by "This type of phone number is not supported." errors caused by Location tracking requirement for drivers.
Venmo
PaymentNever gets blocked by "Invalid phone number." errors caused by Strict US/UK physical carrier requirement.
Vinted
RetailNever gets blocked by "Invalid phone number." errors caused by SMS fails; accounts flagged as bots.
Never gets blocked by "Registration failed due to suspicious environment." errors caused by Requires main-line carrier verification for new signups.
WhatsApp Business
SocialNever gets blocked by "Is not a valid mobile number for this country." errors caused by Meta maintains a live database of VoIP prefixes.
William Hill
GamblingNever gets blocked by "Mobile number not recognised." errors caused by Cross-references number with UK electoral roll.
Wise (TransferWise)
BankingNever gets blocked by "We're having trouble sending your code." errors caused by Inconsistent 2FA delivery on non-primary SIMs.
Why modern platforms reject virtual numbers
When you try to register a VoIP or app-based number on Monzo, WhatsApp, or Claude, automated anti-fraud firewalls flag and reject it. Here is the engineering behind how it happens — and how SecondSim meets security criteria.
HLR Line Type Intelligence
Services query telecom lookup APIs (such as Twilio Lookup, Telesign, and Neustar). These APIs inspect the Home Location Register (HLR) to identify the line type: mobile, landline, or voip. Virtual apps return voip and are dropped instantly. SecondSim returns mobile on Vodafone UK.
Shortcode SMS Clearing
Bank OTPs and automated verification codes are sent from 5-digit shortcodes (e.g. 60000) through telecom clearinghouses. These routes explicitly drop delivery to virtual numbers. SecondSim operates on real UK SS7 mobile signaling channels, receiving shortcode SMS directly.
Anti-Fraud & Bot Profiling
Dating apps, social networks, and online marketplaces maintain blacklists of known virtual provider IP and number ranges to combat spam farms. Because SecondSim provisions real cellular subscriber numbers, accounts satisfy fraud scoring models safely.
How SecondSim compares
| Feature | SecondSim eSIM | VoIP / Virtual Apps | Second Handset Contract |
|---|---|---|---|
| Line Type | Physical Mobile (Vodafone UK) | Virtual VoIP / Landline | Physical Mobile |
| Bank 2FA & WhatsApp | Guaranteed 100% Pass | Frequently Blocked | Works (High Cost) |
| Hardware Required | None (Lives on existing phone) | None (Requires buggy app) | Requires 2nd phone & charger |
| Monthly Price | From £5.00/mo (Yearly) | £10 - £25/mo | £25 - £55/mo + hardware |
| Contract & Credit Check | Zero contract, cancel anytime | Monthly sub | 12-24 month lock-in |
One plan, three options.
Unlimited UK calls & texts on every plan. Non-VoIP verification guarantee included.
Pay as you go — cancel anytime.
- Real UK mobile number (non-VoIP)
- UK Mobile Number for Bank & WhatsApp 2FA Codes
- Unlimited UK calls & SMS
- Instant eSIM — live in 60 seconds
Works out at £5/mo — 2 months free vs monthly billing.
- Real UK mobile number (non-VoIP)
- UK Mobile Number for Bank & WhatsApp 2FA Codes
- Unlimited UK calls & SMS
- Instant eSIM — live in 60 seconds
- 2 months FREE vs monthly billing
The balanced choice — save 11%.
- Real UK mobile number (non-VoIP)
- UK Mobile Number for Bank & WhatsApp 2FA Codes
- Unlimited UK calls & SMS
- Save 11% vs monthly
People who finally switched off
"Running a salon meant clients contacting me 24/7. There's no more evening anxiety when my phone buzzes."
"I've framed it to clients as a priority hotline. Nothing gets lost, and I get my evenings back."
"I juggle a job and two side-gigs without carrying a second phone or signing a contract."
Frequently asked questions
Why do banks and platforms like WhatsApp or Claude reject VoIP numbers? +
Platforms query global Home Location Register (HLR) and Line Type Intelligence databases (such as Twilio Lookup, Telesign, and Neustar) during registration. When a number is flagged as virtual VoIP or landline, security firewalls automatically decline it to prevent automated bot activity. SecondSim issues real physical mobile SIM numbers on Vodafone UK, which return legitimate cellular carrier classification.
Does SecondSim guarantee SMS verification and OTP delivery? +
Yes. Because SecondSim provides genuine UK 07 mobile network numbers rather than virtual app lines, shortcodes from Monzo, Revolut, Barclays, WhatsApp Business, Stripe, OpenAI, and HMRC route directly through UK cellular infrastructure without being filtered.
What is the 100% money-back verification guarantee? +
If your SecondSim mobile number fails to be verified by any supported service within the first 7 days of purchase, contact us for an immediate 100% refund. We stand behind our carrier-grade cellular network allocation.
What if my desired platform or app is not listed in this A-Z directory? +
SecondSim numbers are standard UK physical mobile numbers (07xxx). Any service in the world that accepts a regular UK mobile number on Vodafone or EE will work seamlessly with SecondSim. The platforms listed here represent the most strictly monitored services our customers test daily.
How fast does the eSIM activate, and do I need to submit photo ID? +
Your eSIM QR code and 1-click activation link arrive in your inbox within 60 seconds of checkout. Setup takes under a minute on any unlocked eSIM-compatible smartphone, with no ID verification or paperwork required.
Get a verified UK number in 60 seconds
No plastic SIM cards, no retail store visits, no contracts. Guaranteed to pass bank, WhatsApp, and platform security checks.
7-day 100% money-back guarantee