Post offices in the county of Calhoun, TX

Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.

Street View Image of Point Comfort Post Office in Point Comfort, TX

Point Comfort Post Office is currently open

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

Post office address
3 Lamar St Point Comfort , TX 77978-9800

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Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Tuesday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Wednesday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Thursday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Friday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Saturday Closed
Sunday Closed
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Street View Image of Port Lavaca Post Office in Port Lavaca, TX

Port Lavaca Post Office is currently open

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

Post office address
1201 Half League Rd Port Lavaca , TX 77979-9998

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Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Port O Connor Post Office in Port O Connor, TX

Port O Connor Post Office is currently open

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

Post office address
611 W Adams St Port O Connor , TX 77982-9800

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Tuesday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Wednesday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Thursday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Friday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Seadrift Post Office in Seadrift, TX

Seadrift Post Office is currently open

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

Post office address
518 S Main St Seadrift , TX 77983-9998

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Open hours
Day Open Close
Monday 8:00 AM 1:00 PM
2:00 PM 4:00 PM
Tuesday 8:00 AM 1:00 PM
2:00 PM 4:00 PM
Wednesday 8:00 AM 1:00 PM
2:00 PM 4:00 PM
Thursday 8:00 AM 1:00 PM
2:00 PM 4:00 PM
Friday 8:00 AM 1:00 PM
2:00 PM 4:00 PM
Saturday Closed
Sunday Closed

Phone: 361-785-5611

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