Foundations
The building blocks every other guide depends on: tax IDs, a US mailing address, and when a US company makes sense.
- IRS SSN vs ITIN vs EIN: Which US Number Do You Need?
- Getting a US Address as a Non-Resident
- US LLC for Non-Residents
The field guide to US finance & tech for everyone outside the US
Get US banking, cards, phone numbers and servers — from anywhere.
Independent, step-by-step guides for non-US residents: open a USD account, build US credit, keep a US phone number, rent a US server, and use crypto cards — with the fine print explained.
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- in-depth guides
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- topics
- 2
- languages
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- affiliate links
Covered in our guides
WisePayoneerAmerican ExpressIBInteractive BrokersCSCharles SchwabChaseVisaMastercardTT-MobileGVGoogle VoiceDigitalOceanVultrCloudflareOOracle CloudTether (USDT)OKX
How to use this site
- Step 1
Lay the foundation
Understand SSN vs ITIN, get a usable US address and decide whether you need a US company.
- Step 2
Get a USD account
Receive and hold dollars with Wise, Payoneer, a brokerage, or a real US bank account.
- Step 3
Add a US number
Keep a real carrier number alive for 2FA and verification codes for a few dollars a month.
- Step 4
Build US credit
Transfer your credit history or start from a secured card and grow a FICO score.
Browse by topic
US Bank Accounts
Ways to hold and receive US dollars as a non-resident — from multi-currency fintech to brokerages and in-branch bank accounts.
- Choosing a USD Account as a Non-Resident
- Wise USD Account for Non-Residents
- Payoneer US Receiving Account
- IB Interactive Brokers as a USD Account
US Credit Cards
How US credit scores work and the realistic paths to your first US credit card without a US credit history.
- How US Credit Scores Work
- Amex Global Transfer to a US Card
- Getting Your First US Credit Card
- Keeping US Cards Alive from Abroad
US Phone & eSIM
Real carrier numbers for 2FA, VoIP numbers and their limits, and data eSIMs for trips to the US.
- U How to Choose a US Phone Number from Abroad
- U Ultra Mobile PayGo, the $3 US Number
- US US Mobile and Tello eSIM Numbers
- GV Google Voice and Other VoIP Numbers
US Servers & Proxies
Renting a US VPS, understanding datacenter vs residential IPs, and checking whether an IP looks "native".
- aws Choosing a US VPS as a Non-Resident
- O Oracle Cloud Always Free (2026 Limits)
- Residential vs Datacenter vs ISP Proxies
- How to Check IP Type, Reputation and Leaks
Crypto Cards (U-Cards)
Stablecoin-funded Visa and Mastercard cards: how they work, who can get them, and the risks to understand first.
- What Is a Crypto Card ("U-Card")?
- R Crypto Card Comparison 2026
- Crypto Card Risks and Safety Checklist
Popular guides
01 US Servers & Proxies Choosing a US VPS as a Non-Resident Compare Lightsail, DigitalOcean, Vultr, Linode, Hetzner US, RackNerd, BandwagonHost and GCP free tier, then lock down your first server. aws 02 US Bank Accounts Choosing a USD Account as a Non-Resident Compare Wise, Payoneer, IBKR, Schwab International, in-branch US banks and Mercury: who each suits, what they need, and country limits. IBCS 03 US Phone & eSIM How to Choose a US Phone Number from Abroad Real carrier SIM or VoIP app? Compare the cheapest ways to hold a US number for bank 2FA and SMS verification, plus recommended setups. UtUSGV 04 Foundations SSN vs ITIN vs EIN: Which US Number Do You Need? What the SSN, ITIN and EIN are, who can get each one as a non-resident, how the W-7 ITIN process works, and what each number unlocks. IRS 05 US Credit Cards Amex Global Transfer to a US Card Use your existing American Express card from Hong Kong, Taiwan, Japan, the UK and more to get a US Amex without US credit history. 06 Crypto Cards (U-Cards) Crypto Card Comparison 2026 RedotPay, Bybit, Crypto.com, Bitget, KAST, OKX, Nexo, ether.fi, Gnosis Pay and Wirex compared: regions, fees, networks, plus cards that were shut down. RBCB
Information only — not financial, legal or tax advice. Products and policies change often; always confirm on the official site before applying. Site2US is independent and not affiliated with any bank, carrier or provider mentioned. We currently carry no affiliate links.