Post offices in the 14240 ZIP code of Buffalo, NY

The ZIP code 14240, situated in Buffalo, NY, includes 2 post offices out of the 18 post offices located throughout the city. The listed operating hours indicate when retail services are available, providing a time when postal employees are available to assist customers. Often, the lobby areas remain open longer, granting access to PO boxes, package drop-off areas, and self-service Automated Postal Center (APC) machines for stamp purchases.The compilation is sorted first by city and then by the name of the post office, with Street View pictures of the post offices included whenever possible. Please contact us if you find an error, so that we can correct it.

Street View Image of Buffalo Post Office in Buffalo, NY

Buffalo Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1200 William St Rm 200 Buffalo, NY 14240-9998

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Open hours
Day Open Close
Monday 8:30 AM 6:00 PM
Tuesday 8:30 AM 6:00 PM
Wednesday 8:30 AM 6:00 PM
Thursday 8:30 AM 6:00 PM
Friday 8:30 AM 6:00 PM
Saturday 8:30 AM 1:00 PM
Sunday Closed
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Street View Image of Eastside Carrier Annex Post Office in Buffalo, NY

Eastside Carrier Annex Post Office does not have retail services

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1200 William St Buffalo, NY 14240-9799

Get directions

Open hours
Day Open Close

Phone: 716-842-4754

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value