The field guide to US finance & tech for everyone outside the US
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.
Covered in our guides
Wise
Payoneer
Interactive Brokers
Charles Schwab
American Express
Mastercard
T-Mobile
US Mobile
Google Voice
DigitalOcean
Vultr
Cloudflare
RedotPay
Bybit Card
Tether (USDT)Most USD accounts, phone numbers and servers need only a passport. SSN/ITIN, a US address or a US company matter only for specific goals.
Receive and hold dollars with Wise, Payoneer, a brokerage, or a real US bank account.
Keep a real carrier number alive for 2FA and verification codes for a few dollars a month.
Transfer your credit history or start from a secured card and grow a FICO score.
Background you may or may not need: SSN, ITIN and EIN, a US mailing address, and when a US company is worth it. Many guides need none of these.
SSN vs ITIN vs EIN: Which US Number Do You Need?
Getting a US Address as a Non-Resident
US LLC for Non-ResidentsWays 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 Interactive Brokers as a USD AccountHow 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 AbroadReal carrier numbers for 2FA, VoIP numbers and their limits, and data eSIMs for trips to the US.
How to Choose a US Phone Number from Abroad Ultra Mobile PayGo, the $3 US Number US Mobile and Tello eSIM Numbers Google Voice and Other VoIP NumbersRenting a US VPS, understanding datacenter vs residential IPs, and checking whether an IP looks "native".
Choosing a US VPS as a Non-Resident
Oracle Cloud Always Free (2026 Limits) Residential vs Datacenter vs ISP Proxies How to Check IP Type, Reputation and LeaksStablecoin-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")? Crypto Card Comparison 2026 Crypto Card Risks and Safety Checklist 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. 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. 
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. Basics 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. 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. 
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. 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.