And there may be hundreds of parishes in a province. So if being provincial is being small time,
being parochial is being microscopic.

parochial
adj.
5ME parochiele < OFr parochial < ML(Ec) parochialis < LL(Ec) parochia: see PARISH6
1 of or in a parish or parishes
2 restricted to a small area or scope; narrow; limited; provincial !a parochial outlook"
pa[ro4chi[al[ism#
n.
pa[ro4chi[al[ist
n.
pa[ro4chi[al[ly
adv.