Centurylink is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Cable Television Companies & Services
• Telecommunications Carriers
• Telephones Communications Services
• Internet Service And Access Providers

North American Industry Classification System (NAICS) Categories:

• Cable And Other Subscription Programming
• Wired Telecommunications Carriers > Local & Long Distance Telephone Service
• Wired Telecommunications Carriers > Internet Service Providers
• Telecommunications Resellers > Telephone Communications, Except Radio, Nec > Telecommunications Carriers
• All Other Telecommunications > Internet Service Providers

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Telephone Communications, Except Radio > Telecommunications Companies
• Cable & Other Pay Tv Services
• Information Retrieval Services > Internet Services > Internet Service And Access Providers