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What “Undeliverable as Addressed” Means

When a mailpiece is marked as “Undeliverable as Addressed,” it means USPS cannot deliver it to the name and address specified on the item. This designation requires further handling, which might include:

  • Forwarding it to a new address
  • Returning it to the sender
  • Treating it as undeliverable mail to be disposed of appropriately

The implications are significant for both recipients and senders:

  • For recipients: Delays in receiving expected mail, potentially causing inconvenience or financial issues if the item is time-sensitive
  • For senders: Additional costs, wasted resources, and breakdown in communication with the intended recipient

Common Reasons for UAA Mail

Several factors can lead to a mailpiece being flagged as “Undeliverable as Addressed”:

Address Problems

  • Incorrect or incomplete address format
  • Missing street number or name
  • Missing apartment or suite number
  • Misspelled street or city names
  • Non-existent address
  • Illegible handwriting
  • Smudged or torn label

Recipient Issues

  • Addressee unknown at that location
  • Name doesn’t match current residents
  • Addressee has died with no forwarding instructions
  • Addressee moved without leaving a forwarding address

Other Common Reasons

  • Insufficient or no postage
  • Mail refused by recipient
  • Unclaimed mail that required recipient action
  • No mail receptacle
  • Closed PO box due to non-payment
  • Mail exceeding size or weight limits
  • Mail containing non-mailable items
  • USPS address changes (renumbered houses or renamed streets)
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Steps for Recipients When Your Mail Is Marked UAA

Step 1: Track Your Package

Visit the USPS Tracking page and enter your tracking number. This can provide:

  • Specific reasons for non-delivery (e.g., “Insufficient Address”)
  • Current location of your package
  • Whether it’s being held or returned to sender

Step 2: Contact Your Local Post Office

For more detailed information:

  1. Find your local post office using USPS Locator
  2. Call them directly with your tracking number
  3. Ask specific questions:
    • Why was your mail marked undeliverable?
    • Is the package being held at their facility?
    • How long will they keep it?
    • What’s the procedure for retrieving it?

Step 3: Verify Your Address With the Sender

Contact the person or company that sent the mailpiece to:

  • Confirm the exact address they used
  • Check for errors in apartment numbers, street spellings, or ZIP codes
  • Identify any discrepancies that might have caused the UAA status

What Happens to UAA Mail?

When mail is marked as undeliverable, USPS takes the following actions:

Forwarding

If you have a change-of-address order on file, mail might be forwarded to your new address for a limited time.

Return to Sender

If forwarding isn’t possible or the forwarding period has expired, mail with a valid return address is sent back to the sender.

Mail Recovery Center (MRC)

Mail without a return address that contains valuable contents (generally items worth more than $25, or $20 for cash) may be sent to the Mail Recovery Center. The MRC:

  • Acts as USPS’s official “lost and found” department
  • May open packages to look for identifying information
  • Attempts to reunite undeliverable mail with its rightful owner
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Holding Periods

The time USPS holds undeliverable items varies:

Mail Service/Item TypeHolding Period at Local Post OfficeHolding Period at Mail Recovery Center
Certified Mail™15 days60 days
Collect on Delivery (COD)10 days60 days
Insured Mail15 days60 days
Registered Mail®15 days90 days
Return Receipt for Merchandise15 days60 days
Signature Confirmation™15 days60 days
USPS Tracking®15 days60 days
Priority Mail Express5 days180 days
International Parcels30 days30 days
Postage Due15 daysN/A
Post Office Box Parcel15 daysN/A
Ordinary Mail of Value (Letters)N/A30 days

For Senders: Handling Returned UAA Mail

If mail you sent is returned as undeliverable:

Check the Endorsement

Examine the stamp applied by USPS indicating the specific reason for non-delivery, such as:

  • “Insufficient Address”
  • “Moved, Left No Address”
  • “No Such Number”

Verify the Recipient’s Address

  1. Check the USPS Addressing Standards
  2. Ensure all components are accurate:
    • Recipient’s full name
    • Street number and name
    • Apartment or suite number
    • City and state (using the two-letter abbreviation)
    • Complete ZIP+4 code
  3. Consider using USPS CASS Certified address validation services

Reshipment Options

If the UAA status was due to an incorrect address:

  1. Contact the recipient for the correct address
  2. Pay for reshipping with new postage (USPS treats this as a new mailpiece)
  3. For online selling platforms, follow their specific procedures for returned packages
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Preventing UAA Mail

Address Formatting Best Practices

Follow the USPS Addressing Guidelines:

  • Include recipient’s full name
  • Use correct street number and name with any directionals (North, South, East, West)
  • Always include apartment/suite/unit numbers for multi-unit buildings
  • Use proper city name
  • Use official two-letter state abbreviation
  • Include the complete ZIP+4 code

Address Clarity

  • Print addresses using a laser printer when possible
  • If handwriting, use clear capital letters
  • Consider placing clear tape over the address to prevent smudging
  • Ensure recipients’ names are clearly visible on mailboxes in multi-unit buildings

Keep Address Information Updated

  • File an official change-of-address request with USPS when moving
  • Inform regular senders of your new address
  • Update your address with businesses, subscriptions, and services

Fees and Additional Help

Potential Costs for UAA Mail

  • First-Class Mail is forwarded free of charge for a limited time with a change-of-address order
  • Senders may incur address correction fees depending on mail class and service endorsements
  • Return postage might be required for certain classes of returned mail

USPS Customer Service

If tracking and contacting your local post office doesn’t resolve your issue:

  • Call 1-800-ASK-USPS (1-800-275-8777)
  • Have your tracking number, original mailing date, and addresses ready

Filing Claims

If significant time has passed without recovering your UAA mail:

USPS UAA Endorsements

When mail is returned, USPS applies one of these specific endorsements to indicate why:

EndorsementReason for Nondelivery
Attempted—Not KnownDelivery attempted, addressee not known at place of address
Box Closed—No OrderPost office box closed for nonpayment of rent
DeceasedAddressee is deceased and mail is not properly deliverable to another person
IllegibleAddress not readable
In DisputeMail returned due to a dispute about the right to delivery
Insufficient AddressMissing necessary address information
Moved, Left No AddressAddressee moved and did not file a change-of-address order
No Mail ReceptacleAddressee failed to provide a receptacle for receiving mail
No Such NumberAddressed to a nonexistent number
No Such Office in StateAddressed to a nonexistent Post Office
No Such StreetAddressed to a nonexistent street
Not Deliverable as Addressed—Unable to ForwardNo forwarding order on file or forwarding order expired
Outside Delivery LimitsAddress outside the delivery limits of the Post Office
RefusedAddressee refused to accept mail or pay postage
Returned for Better AddressIncompletely addressed mail of local origin
Returned for PostageMail without postage or indication that postage fell off
UnclaimedAddressee abandoned or failed to call for mail
VacantHouse, apartment, office, or building not occupied
Temporarily AwayAddressee temporarily away and period for holding mail expired

Our articles make government information more accessible. Please consult a qualified professional for financial, legal, or health advice specific to your circumstances.

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