Social media is one of the effective means of delivering information to the public. Indonesia Customs as a Government agency, use social media as a means of providing customs and excise information. In this study, will be revealed how the level of quality of information provided on social media of Indonesia Customs, specifically Facebook and Twitter. This research uses descriptive analysis method and Importance-Performance Analysis. The data used to support this research is obtained through a survey, with Indonesia Customs social media visitors as respondents. Measurements using 3 (three) dimensions of quality information according to O'Brien (time, content, and form), which consists of 9 (nine) criteria, ie, currency, timeliness, frequency, accuracy, relevance, conciseness, clarity, order and presentation. The results of the research show level of quality of information from each social media and also the superiority of information quality on each social media in accordance with the dimensions and criteria that exist. The study also shows dimensions and criteria of information quality that needs priority attention in the process of improving each social media content.