Mifflin, Pennsylvania — Mifflin is a historic borough in Juniata County, Pennsylvania, situated along the tracks of the Norfolk Southern Railway. The community was originally founded as Patterson before being renamed for Thomas Mifflin, the first Governor of Pennsylvania.This page organizes FFL dealer listings associated with Mifflin, Pennsylvania within the directory’s location hierarchy. Visitors can keep browsing focused on the named place, move through its surrounding geography, and open individual listings for record-specific information. The page remains centered on the location itself while the catalogue can change independently. Use the hierarchy to return to broader place pages or continue toward a more specific community. Each step keeps the browsing path anchored to a named place and its surrounding geographic context.