DBA: Comporium Communications Carrier Type: Incumbent LEC Holding Company: COMPORIUM INC Address 1: PO Box 470 Address 2: City: Rock Hill State: SC Zip Code: 29731 Filer ID: 803652 Customer Inquiries Telephone Number: (803) 283-9011 Share this:TwitterFacebookPrintEmailLinkedInRedditTumblrPinterestPocketTelegramWhatsAppSkypeLike this:Like Loading...