Dominican Republic → El Salvador
Dominican Republic plugs
Type A
Type BEl Salvador plugs
Type AType BShared plug types: A, B
Compatibility: Compatible
Voltage — Dominican Republic 120V — El Salvador 120V
Voltage is the same. Your devices should work normally.
Device compatibility (phones)
Phones almost always support 100–240V, so yours should work safely. Check your charger label to confirm.
You likely only need a plug adapter (if socket shapes differ). Voltage is close between these countries.