[ProudFossil]

... and put address as 189 First Street. every town must have a first street, or main street.

Surprisingly I read somewhere about 10 years ago the most common street name in the US is Second Street. I do genealogy and bumped into this while doing research about towns. The article did not say what had happened to the first street streets.

[BlueLancer]

"The article did not say what had happened to the first street streets."

Probably a lot were renamed as "Main" or "Central" or something else to indicate that primary street in town.