A mail carrier can deliver mail to 1 400

I think there may be a small mistake there!

A mail carrier, also known as a postal carrier or letter carrier, is typically responsible for delivering mail to a specific route or area. The exact number of deliveries a mail carrier can make in a day can vary depending on several factors, such as:

1. The size of the route: Larger routes may require more deliveries, while smaller routes may require fewer.
2. The type of mail: Mail carriers may need to make more deliveries for packages or bulk mail, while regular letter mail may require fewer deliveries.
3. The carrier's workload: Mail carriers may have varying levels of experience, physical ability, and workload, which can impact their delivery capacity.

That being said, a typical mail carrier in the United States is expected to deliver mail to around 500-700 households per day, according to the United States Postal Service (USPS). This can translate to around 1,000-1,400 pieces of mail per day, depending on the size and type of mail.

So, to summarize, a mail carrier can deliver mail to around 500-700 households per day, which is equivalent to around 1,000-1,400 pieces of mail.