How many post offices does the man talk about?

W: Good morning, officer.
M: Good morning; madam. Can I help you?
W: Yes, please. Where’s the nearest pest office?
M: Er, look at this map. There’s a north street. And there’s a post office on the west street, and one in the market street.
W: Where’s the nearest one?
M: Oh, yes, the nearest post office is near the market street.