Carnarvon Post Office

201 370th St, Carnarvon, IA 51450

Contact Numbers

Phone: 712-664-2075
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:30am - 11:30am
Tuesday 7:30am - 11:30am
Wednesday 7:30am - 11:30am
Thursday 7:30am - 11:30am
Friday 7:30am - 11:30am
Saturday 8:00am - 12:00pm
Sunday Closed

Last Collection Times

Monday 5:45pm
Tuesday 5:45pm
Wednesday 5:45pm
Thursday 5:45pm
Friday 5:45pm
Saturday 5:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

We provide you with the contact details of the Carnarvon Post Office, including its address, phone number and retail hours. This way, you will be able to ask for assistance with USPS shipping and mail services, either by phone or in person.

If you visit the Carnarvon Post Office, please tell us about your experience. It can be helpful to others looking for USPS customer service.

Don't forget to take a look at our FAQ section. It may help you clarify some doubts before contacting your local post office.

Services offered at this location:

  • Money Orders (Domestic)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online

Frequently Ask Questions at Carnarvon Post Office

  • Where can I find my USPS tracking number?

    You can find your tracking number on your sales receipt, self-service kiosk eReceipt, mailing receipt, online label record or below the barcode placed on the mailed item.

  • What if I lose my tracking number?

    Local Post Offices do not have a way to recover a lost tracking number. If the recipient is a current Informed Delivery subscriber, they will be able to see the tracking number on their dashboard.

  • How long will USPS forward mail?

    If your move is temporary, USPS can forward your mail from your old address to a new one for 15 days to one year.

  • How to request USP hold mail?

    Sing in to your USPS account and check if hold mail service is available for your address. If it is, choose the dates for your hold mail request. Remember that it must be for a minimum of 3 days and a maximum of 30 days. If you need USPS mail hold for more than 30 days, you must sign up for forwarding service. For permanent move, you must change your address with the USPS.

  • How to request a USPS address change?

    You can request a USPS change of address online or by filling out the PS Form 3575 acquired from your local Post Office. Please note that when your request is made online there is a $1.05 identity validation fee.

  • Search other Post Offices in Sac

    You have other Post Offices in Sac

    Wall Lake Post Office

    106 Boyer St

    7126642034 More info

    Schaller Post Office

    205 S Main St

    7122754531 More info

    Sac City Post Office

    519 Audubon St

    7126624269 More info

    Odebolt Post Office

    315 S Main St

    7126684450 More info

    Nemaha Post Office

    220 Main St

    7126364510 More info

    Lake View Post Office

    521 3rd St

    7126578531 More info

    Early Post Office

    114 N Main St

    7122735110 More info

    Auburn Post Office

    107 Pine St

    7126887715 More info

    Search Post Offices in Iowa

    Leave a Comment