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NEW HAVEN

Post Office™
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Closed

Thursday

7:30 am - 11:00 am
11:30 am - 2:00 pm

Friday

7:30 am - 11:00 am
11:30 am - 2:00 pm

Saturday

9:30 am - 11:30 am

Sunday

Closed

Monday

7:30 am - 11:00 am
11:30 am - 2:00 pm

Tuesday

7:30 am - 11:00 am
11:30 am - 2:00 pm

Wednesday

7:30 am - 11:00 am
11:30 am - 2:00 pm


1-800-ASK-USPS® | 800-275-8777
Phone | 573-237-2134
TTY | 877-889-2457

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Services at the New Haven Post Office

Service hours may vary. For all location services, see all hours.

  • Domestic Money Orders
  • Inquiry Money Orders
  • There are no passport services available at this location.
  • Duck Stamps
  • General Delivery
  • Retail Label Broker®
  • Priority Mail International®
  • PO Box Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Pickup Notice Left Mail
  • Business Reply Mail® Account Balance
  • Business Reply Mail® New Permit
  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Call Referral
  • In-Person Proofing Basic

*These services require an appointment or invitation.

Bulk Mail Acceptance

Mon-Fri 7:30 am-11:00 am, 11:30 am-12:30 pm

Sat Closed

Sun Closed

Retail

Mon-Fri 7:30 am-11:00 am, 11:30 am-2:00 pm

Sat 9:30 am-11:30 am

Sun Closed

Call Referral

Mon-Fri 7:30 am-11:00 am, 11:30 am-2:00 pm

Sat 9:30 am-11:30 am

Sun Closed

Last Collection

Mon-Fri 1:45 pm

Sat 11:15 am

Sun Closed

Pickup Accountable Mail

Mon-Fri 7:30 am-11:00 am, 11:30 am-2:00 pm

Sat 9:30 am-11:30 am

Sun Closed

Pickup Hold Mail

Mon-Fri 7:30 am-11:00 am, 11:30 am-2:00 pm

Sat 9:30 am-11:30 am

Sun Closed

Pickup Notice Left Mail

Mon-Fri 7:30 am-11:00 am, 11:30 am-2:00 pm

Sat 9:30 am-11:30 am

Sun Closed

PO Box Access

Mon-Fri 12:01 am-11:59 pm

Sat 12:01 am-11:59 pm

Sun 12:01 am-11:59 pm

PO Box Delivery

Mon-Fri 11:30 am

Sat 11:30 am

Sun Closed

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401 CHURCH ST

O FALLON, MO 63366-9998

SAINT PETERS

7055 MEXICO RD

SAINT PETERS, MO 63376-9998

NEW HAVEN

1103 MILLER ST

NEW HAVEN, MO 63068-9998

BERGER

211 MARKET ST

BERGER, MO 63014-9998

MARTHASVILLE

105 DEPOT ST

MARTHASVILLE, MO 63357-9998

At This Location

Lot Parking Available

For facility accessibility, please call the Post Office.
1-800-ASK-USPS® (800-275-8777)

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