Police said three unknown subjects threw a Belgian block stone through the front glass door of the store, at 2131 Merrick Rd. about 3:40 a.m.
They removed an unknown amount of cellular telephones from the display cases and fled on foot northbound on Kenny Avenue, police said.
Detectives request anyone with information about the burglary to contact Nassau County Crime Stoppers at 800-244-TIPS. All callers will remain anonymous.