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Phone lines for founders outside the US

Practical guides for YC, speedrun and other early-stage teams running a US company from somewhere else, and for the AI agents they build.

• October 30, 2026Answering US customer calls from another time zoneHow small teams abroad cover a US phone line: overlap hours, a shared browser line, call notes, and an AI agent that hands callers to whoever is awake.
• October 30, 2026How to give your AI agent a phone numberGive Claude, ChatGPT or your own agent a real US number in one prompt: email-code sign-up, its first call, answering a number, handoff and costs.
• October 30, 2026Can you use Google Voice outside the US? What founders use insteadPersonal Google Voice is US-only and Workspace Voice is priced per user. What founders outside the US use for a US business number instead.
• October 30, 2026Quo (OpenPhone) vs VoixCall for founders outside the USQuo’s per-user plans with unlimited US texting vs VoixCall’s $2 number and per-minute calls: an honest look at which fits a small team abroad.
• October 30, 2026The US phone number checklist for founders outside the USWhere a US startup run from abroad needs a phone number, from banking to app stores to support, and which ones need your own mobile.