Saily

Saily offers a persistent US phone number (+1) for under a dollar a month, with SMS and calling enabled on any eSIM or regular SIM worldwide. It's one of the cheapest standing phone numbers you can get, backed by solid carrier partnerships. The number stays active as long as you keep the subscription going.

Ideal if you need a cheap, always-on US presence for verification, business contacts, or staying reachable back home. The low cost means you can keep it active between trips without guilt.