Some social welfare payments are impacted.
An Post says deliveries in some rural areas are being impacted by staffing shortages.
The company says a spike in Covid-related absences has placed a "temporary strain" on its resources.
It says the worst impact's being felt across its mails and parcels network, and at some Post Offices, with some having to temporarily shut.
It says social welfare benefit payments will be transferred to a neighbouring office for those affected.

Body Found At Wheatfield Prison Sparks Garda Investigation
Families Could Face €1,000 Rise In Annual Food Bills Amid Farming Crisis
Over Half of Cigarette Packs Surveyed In Newbridge And Naas Had No Irish Duty Paid
Celbridge Brewery CEO Warns Of Mounting Costs Facing Craft Beer Sector
Amhrán na Laoch Songwriting Competition Confirmed for Irish Music Month 2026
Government Announces Major Overhaul of Anti-Money Laundering Rules
Maynooth University Hosts Special Solar Eclipse Event This Evening
Johnstown Mother Says Today's Solar Eclipse Means Something Extra Special For Her And Her Son