Somewhere my dad has a newspaper clipping showing an ad for my great great uncle’s grocery store in a small midwestern town from around 1890-95. The ad prominen

Somewhere my dad has a newspaper clipping showing an ad for my great great uncle’s grocery store in a small midwestern town from around 1890-95. The ad prominently mentions that they have a telephone, and gives the number as something like “215”. I was never sure if that was a number you dialed, or if you ring up the operator and say “William’s Grocery Store, number 215”.