DBA: AT&T Indiana Carrier Type: Incumbent LEC Holding Company: AT&T, Inc. Address 1: 240 N Meridian St Address 2: City: Indianapolis State: IN Zip Code: 46204 Filer ID: 803217 Customer Inquiries Telephone Number: (800) 288-2020 Share this:TwitterFacebookPrintEmailLinkedInRedditTumblrPinterestPocketTelegramWhatsAppSkypeLike this:Like Loading...