Niwot Post Office

150 Murray St Niwot, CO 80544
Phone: 303-652-2309

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


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


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Bulk Mail New Permit
Bulk Mail Acceptance
Bulk Mail Account Balance
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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