Most international airports have kiosks or vending machines in arrival halls. While convenient, these are often more expensive than city locations. Top SIM Kits & Online Options

Stores like Best Buy , Walmart , and Target carry various "Bring Your Own Phone" kits from Mint Mobile, Simple Mobile, and Tracfone.

Official T-Mobile, AT&T, and Verizon stores offer the best hands-on service. Staff will often install and activate the SIM for you, ensuring it works before you leave.

How to buy a prepaid SIM card for tourists in the USA - Holafly

Buying in a physical store is ideal if you need immediate setup assistance from a specialist.

You can find basic SIM kits at 7-Eleven , CVS, and Walgreens, though selection is usually more limited.