Castalia Post Office

206 E Greene St Castalia, IA 52133
Phone: 563-567-8416

Parking: Parking Lot Available
Post Office Lobby Hours
Monday 12:01am - 11:59pm
Tuesday 12:01am - 11:59pm
Wednesday 12:01am - 11:59pm
Thursday 12:01am - 11:59pm
Friday 12:01am - 11:59pm
Saturday 12:01am - 11:59pm
Sunday 12:01am - 11:59pm


Castalia Post Office is a United States Postal Service (USPS) facility in Castalia, IA. This post office offers a full array of services, including package delivery and first class mail.


Burial Flags
Duck Stamps
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®

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