AT&T is a prominent telecommunications services provider in the United States. Since the inception of operations, AT&T has garnered a huge customers base whose needs are catered with innovative products and services. Moreover, AT&T Wireless customer service is impeccable in nature, offering round the clock support to address relevant concerns and queries. To communicate relevant grievances with AT&T Wireless authorities, esteemed customers may refer to given customer service contact support information for expedited assistance: AT&T Wireless Customer Service Phone Number: 611 | 800.331.0500 | Operating Hours: Every day, 8 a.m. – 9 p.m. local time AT&T Customer Service Phone Number to Order New Wireless Service: 888.333.6651 | Operating Hours: Monday - Friday, 8 a.m. - midnight ET | Saturday and Sunday, 8 a.m. - 11 p.m. ET AT&T Customer Service Phone Number to Check Wireless Order Status: 877.782.8870 | Available 24/7 AT&T Customer Support for