Any PA registered voters who wish to take advantage of mail-in voting for the June 2 primary can go to this site to register:
https://www.pavoterservices.pa.gov/OnlineAbsenteeApplication/#/OnlineAbsenteeBegin

Those who only want to apply for a mail-in ballot (not an absentee ballot), should check no for the first three questions.

Additional helpful websites are votespa.com, vote411.org, and alleghenyvotes.com.

Voters without internet access who would like to receive a mail-in ballot can contact the Allegheny County Board of Elections at 412-350-4500.