Postmen and women are delivering over and above their targets in Sheffield, with 93.5 per cent of First Class mail delivered the next day after posting.
The 93 per cent target was beaten between April and December last year according to independent research.
Meanwhile, some 98.6 per cent of Second Class letters and parcels were delivered within three working days, against a target of 98.5 per cent.
And 112 of 118 post code areas in Sheffield met or exceeded their ‘Quality of Service’ targets.
Royal Mail Delivery Director Doug Neal, said: “The quality of our service to customers is key to our success. We are working hard to consistently improve our service performance. I’m pleased that we are meeting our target for First Class letters and parcels and beating our Second Class target.
“We are committed to maintaining these high standards of service for all of our customers. Our postmen and women are delivering to one of the most challenging next-day performance targets in Europe while we are undertaking one of the UK’s biggest transformation projects.”