Which number is assigned nationwide for access to telecom relay services?

The number assigned nationwide for access to telecom relay services is 711. This service facilitates communication for individuals who are deaf, hard of hearing, or have speech disabilities by connecting them with a relay operator who can communicate with hearing individuals over the phone. When someone dials 711, they are able to access this specialized service quickly and efficiently, making it an important resource for ensuring effective communication.

The other numbers provided serve different purposes: 511 is typically used for traffic and travel information, 811 is designated for underground utility location services to prevent damage during digging, and 911 is the emergency number for police, fire, and medical services. Understanding the specific functions of these numbers helps to clarify why 711 is the correct choice for telecom relay services.