• Monday: 08:30 - 16:30
• Tuesday: 08:30 - 16:30
• Wednesday: 08:30 - 16:30
• Thursday (today): 08:30 - 16:30
• Friday: 08:30 - 16:30
• Saturday: 10:00 - 12:00
• Sunday: Closed

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🕗 United States Postal Service (USPS) hours in Mercedes, 78570

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Bulk Mail Account Balance, Bulk Mail New Permit, Burial Flags, Business Reply Mail Account Balance, Business Reply Mail New Permit, General Delivery, Greeting Card Services, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International

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