Which sentence does not contain any errors in period usage?

a.
contact ms on indiana blvd. about this problem.

b.
address complaints to feedback dept, gallop st., taunton, ma 02780.

c.
mr. langley can be reached at 31 oak rd., williamsburg, va 23185.

d.
send checks to impulse buyers unchained, 459 hidalgo ave, tampa, fl 33730.