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"Processing Exception" (USPS): what it means and how long it lasts

USPS detected a processing irregularity (event code LX). Its wording is "The local facility has been alerted and is taking steps to correct the problem." The "Processing Exception, Other" or "Delay" version (code OX) means the item was at, or headed to, a location hit by an emergency or another delay. Tracking usually doesn't say what happened.

Normally lasts: Often clears within 1-3 days when the next scan appears.

When to act: If there is no new scan 3 business days after the exception.

Also shown as: Processing Exception, Other, Delay, The Postal Service has identified a problem with the processing of this item. The local facility has been alerted and is taking steps to correct the problem., Your shipment has potentially been delayed due to emergency or other conditions

What to do

  1. Wait 1-3 business days for the next scan.
  2. If nothing changes, submit a USPS help request (service request) to the local Post Office.
  3. If it is 7+ days from mailing, submit a Missing Mail search.

USPS service alerts now

Last checked: · USPS service alerts 8 min ago· Facility facts reviewed November 14, 2026. How we check

Which facility is it at?

The location next to the scan tells you. Type it here, or pick one of the busiest USPS hubs below, for live alerts and how long packages normally sit there.

Jamaica NY International Distribution Center (ISC)Jamaica, NYJAMAICA NY INTERNATIONAL DISTRIBUTION CENTERChicago IL International Distribution Center (ISC)Chicago, ILCHICAGO IL INTERNATIONAL DISTRIBUTION CENTERJersey City NJ Distribution Center (RPDC)Jersey City, NJJERSEY CITY NJ DISTRIBUTION CENTERWarrendale PA Distribution Center (NDC)Warrendale, PAWARRENDALE PA DISTRIBUTION CENTEROpa Locka FL Distribution CenterOpa-locka, FLOPA LOCKA FL DISTRIBUTION CENTERSpringfield MA Distribution Center (NDC)Springfield, MASPRINGFIELD MA DISTRIBUTION CENTERUSPS Jacksonville NDC / RPDCJacksonville, FLJACKSONVILLE FL DISTRIBUTION CENTERNorth Houston TX Distribution CenterHouston, TXNORTH HOUSTON TX DISTRIBUTION CENTERMiami FL International Distribution Center (ISC)Miami, FLMIAMI FL INTERNATIONAL DISTRIBUTION CENTERLos Angeles CA Distribution CenterLos Angeles, CALOS ANGELES CA DISTRIBUTION CENTERAtlanta GA Distribution Center (RPDC)Palmetto, GAATLANTA GA DISTRIBUTION CENTERQueens NY Distribution CenterFlushing, NYQUEENS NY DISTRIBUTION CENTER

All USPS facilities

Questions

What does "Processing Exception" mean?

USPS detected a processing irregularity (event code LX). Its wording is "The local facility has been alerted and is taking steps to correct the problem." The "Processing Exception, Other" or "Delay" version (code OX) means the item was at, or headed to, a location hit by an emergency or another delay. Tracking usually doesn't say what happened.

How long does "Processing Exception" usually last?

Often clears within 1-3 days when the next scan appears. If there is no new scan 3 business days after the exception.

What should I do if my USPS package is stuck on "Processing Exception"?

Wait 1-3 business days for the next scan. If nothing changes, submit a USPS help request (service request) to the local Post Office. If it is 7+ days from mailing, submit a Missing Mail search.

Related USPS messages

Sources