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Post Office

USPS Post Office Cpu Adak

100 Mechanical St, 99546 Adak

Today

Today's opening hours

This week's opening hours

Retail

  • Monday 11:00 am to 1:00 pm
  • Tuesday Closed
  • Wednesday 9:00 am to 11:00 am
  • Thursday 11:00 am to 1:00 pm
  • Friday Closed
  • Saturday 9:00 am to 11:00 am
  • Sunday 9:00 am to 11:00 am

Other opening hours

Lobby
Monday, Wednesday, Thursday, Saturday and Sunday
7:00 am to 7:00 pm
Tuesday and Friday
Closed
PO Box Access
Monday, Wednesday, Thursday, Saturday and Sunday
7:00 am to 7:00 pm
Tuesday and Friday
Closed
Pickup Services
Monday, Tuesday, Thursday and Friday
11:00 am to 1:00 pm
Wednesday and Saturday
Closed
Sunday
9:00 am to 11:00 am
Call Referral
Monday and Thursday
11:00 am to 1:00 pm
Tuesday, Wednesday, Friday and Saturday
Closed
Sunday
9:00 am to 11:00 am

Opening hours updated on 11/07/2026

Report a change

This Post Office at a glance

Opening hours of USPS Post Office Cpu Adak: Monday and Thursday from 11:00 am to 1:00 pm, Wednesday, Saturday and Sunday from 9:00 am to 11:00 am; closed Tuesday and Friday.

Opening hours a week
10h
Opening hours a week
Days open, Monday, Wednesday, Thursday, Saturday and Sunday
5/7
Days open, Monday, Wednesday, Thursday, Saturday and Sunday
Earliest opening, Wednesday, Saturday and Sunday
9:00 am
Earliest opening, Wednesday, Saturday and Sunday
Latest closing, Monday and Thursday
1:00 pm
Latest closing, Monday and Thursday
Open all day
No break
Open all day

Special days ahead

Public holidays, closures and special opening hours over the next two months.

  • Wednesday, November 11 Veterans Day Opening hours not confirmed
  • Thursday, November 26 Thanksgiving Day Opening hours not confirmed

Services

Services Available: 8
  • Call Referral
  • Duck Stamps
  • Money Orders (Domestic)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Pickup Notice Left Mail
  • Priority Mail International®
  • PO Box Online
Parking 1
  • No Parking Available
Contacts 3
  • Phone support: 1-800-ASK-USPS® (800-275-8777)
  • TTY: 877-889-2457
  • Phone: 907-532-2464
PO Box Delivery 4
  • Monday: 11:00
  • Tuesday: 11:00
  • Thursday: 11:00
  • Friday: 11:00
Last Collection 5
  • Monday: 13:00
  • Tuesday: 13:00
  • Thursday: 13:00
  • Friday: 13:00
  • Sunday: 11:00

Sending from this Post Office

  • First-Class Mail from From $0.65 up to Postcards
  • Shipping Services from From $7.90 up to USPS Ground Advantage (2–5 days)

Indicative rates subject to change by the postal operator.

Address and directions

100 Mechanical St
99546 Adak

  • Open
  • Closing soon
  • Closed
  • Opening hours not confirmed
  • This address

Practical information

Type
Post OfficeA United States Postal Service Post Office: stamps, sending and collecting letters and packages, and the USPS counter services.
Address
100 Mechanical St, 99546 Adak
State
Alaska
Official website
usps.com

Good to know

USPS Post Office Cpu Adak is in Adak, at 100 Mechanical St. It opens 5 days a week.

The next public holiday is Veterans Day, Wednesday, November 11. Opening hours often change that day: check them before you go.

Frequently asked questions

Is USPS Post Office Cpu Adak open on Saturday?

Yes It is open on Saturday from 9:00 am to 11:00 am.

Is USPS Post Office Cpu Adak open on Sunday?

Yes It is open on Sunday from 9:00 am to 11:00 am.

What time does USPS Post Office Cpu Adak close?

It closes Monday and Thursday at 1:00 pm and Wednesday, Saturday and Sunday at 11:00 am.

Is there a cash machine?

This Post Office does not list a cash machine.