Wyles said customer numbers had grown in unexpected areas, with more "tech savvy nannies" and "cyber koros" shopping online.
"People are getting more and more comfortable with shopping online," she said.
Wyles said the Whangārei fleet comprised 15 couriers, 11 posties and 11 rural drivers.
She said her team were "hard workers" who were doing "a really great job".
"We understand we deliver what people care about, so we care enough to deliver like that," she said.
"It's an awesome and rewarding job. When you see a nanny get something from their moko, or whānau who get something from other whānau - those are the connections we make."
Wyles believed the number of people shopping online had increased since New Zealand went into Covid-19 lockdown.
"Our rural drivers - their freight has almost doubled because they're the only network. They're the only people that some people see up their dusty road. That's how important our network is to them."
Wyles wanted to remind people the New Zealand Post team was doing their best to get parcels delivered before Christmas.
"Just as an example, last year we had a girl at the gate in tears because her dad's parcel was still in the depot but we had closed and they were on a rural run so they didn't get their freight. We will jump in and have a look if people are sure and we can track it."