- twitter.com sonicquakertownSONIC Quakertown, PA is located in Bucks County on Rt. 309 in Quakertown, PA.
- twitter.com SonicMontgomery/status/…Then you are SONIC good! http://AreYouSonicGood.com.
- twitter.com sonicharrisburgSONIC Harrisburg is located at 2330 Linglestown Rd, Harrisburg, PA 17110.
- twitter.com sonicpalmyraSONIC Palmyra, PA is located in Lebanon County at 81 N. Londonderry Square, Palmyra, PA.
- twitter.com sonichanoverSONIC Hanover is located in York County on Wilson Avenue in Hanover, PA.
- twitter.com sonicmontgomeryThere are three Sonic Drive-In's in Berks & Montgomery County, PA and are located in Elverson, Reading and Royersford.