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In page Convenience store:

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Oxxo is the largest chain in the country, with more than 15,000 stores around the country. Other convenience stores, such as Tiendas Extra, 7-Eleven, SuperCity, ampm, and Circle K, are also found in Mexico. The first convenience store in the country, Super 7 (now a 7-Eleven), was opened in 1976 in Monterrey, Nuevo León.[citation needed] There are also some regional chains, like Amigo Express and CB Mas, that operate in Comarca Lagunera, Super Q and El Matador in Queretaro, Coyote in central Mexico, Kiosko in Colima and some locations in nearby states, and JV in northeastern Mexico. Stores sell fast food like coffee, hot dogs, nachos and prepaid cellphones between MXN$20 and MXN$500, mainly Telcel and Movistar, newspapers, magazines, and Panini products and other novelties.