Party City Customer service hours, Toll-Free Phone number, Postal Address, Social profiles, Email, Costumes Info- PARTY CITY is a retailer company which provides all party expenses to the customers. This company is the largest retailer of party goods in the United States as well as in Canada which owned more than 900 companies and franchise under the Party City brand. The company offers products in the areas of special occasions, holiday parties, Halloween costumes, color tableware, candies, balloons, invitations, weddings, and baby showers. Here, we are showing you the contact details of this retailer company.