Sinai Post Office

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7. Sinai Post Office at Main Avenue, Sinai SD

Sinai Post Office Contact Information

Address, Phone Number, and Business Hours for Sinai Post Office.

Name

Sinai Post Office

Address

301 Main Avenue
Sinai, South Dakota, 57061

Phone

605-826-4306

Hours

Monday: 07:45 am - 11:00 am 01:00 pm - 04:15 pm, Tuesday: 07:45 am - 11:00 am 01:00 pm - 04:15 pm, Wednesday: 07:45 am - 11:00 am 01:00 pm - 04:15 pm, Thursday: 07:45 am - 11:00 am 01:00 pm - 04:15 pm, Friday: 07:45 am - 11:00 am 01:00 pm - 04:15 pm, Saturday: 7:45am - 9:45am, Sunday: closed

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