Beatrix Potter's most popular creations will grace the front of letters and parcels up and down the UK from today.
Ten stamps have been issued to celebrate the 150th anniversary of the author who grew up in the Lake District.
Millions of Christmas presents and cards will be whisked through Carlisle Mail Centre today, on their busiest day of the year.
Around 123,000 Royal Mail staff and 19,000 temporary Christmas staff across the UK will be working to deliver Christmas mail.
The recommended last posting date is Monday 21 December.
The Royal Mail has set up a redirection service for residents in Carlisle that are affected by flooding.
The service is free and allows those who have had to move out of their homes to have their post sent to an alternative address.
This can be set up online, at your local post office or by calling 0345 740740.
Two of Cumbria's most dramatic bridges are being celebrated in a new set of stamps launched by Royal Mail.
Row Bridge in the Lake District and the Royal Border Bridge over the River Tweed are part of the Royal Mail celebrating British engineering in a special collection.
Ten bridges feature in the total edition of first-class stamps, while a special postmark will be issued today.
The future of rural postal delivery services in Cumbria and south of Scotland received a boost today. Ofcom ruled that the universal postal service, which obliges the Royal Mail to deliver across the UK for one price, is not under threat.
The regulator said it saw no reason to change rules to force rivals to take on part of that obligation.
Royal Mail had complained competitors were cherry picking profitable areas.
Cumbria has some of the lowest crime rates in England, according to a new Royal Mail study.
It found that the LA17 and CA20 postcode areas of the county have the second and third lowest incidents of crime in England.
Coldstream in Northumberland took the number one spot.
The study was carried out to mark 40 years since the introduction of postcodes to the UK.
Three Dumfries and Galloway towns have been named the healthiest places to live in Scotland.
Langholm (DG13) took the top spot, followed by Gretna (DG16) and Canonbie (DG14).
The findings come from a new study commissioned by Royal Mail to mark 40 years since the introduction of postcodes.
The study looked at five key areas; health and wellbeing, work, the cost of living, safety and security and home life.
Seven days to go until Christmas - and for Royal Mail staff in Carlisle this is their busiest day of the year.
The city's mail centre will have processed about six hundred thousand pieces of mail by tonight.
Katie Hunter reports: