"Call marks" is a term that refers to the marks or notches on a telephone pole that denote the height and position of the pole, as well as other important information for maintenance and repair purposes. Some synonyms for "call marks" include "pole markers," "pole notches," "pole indicators," and "pole symbols." These terms all refer to the same function and purpose, which is to provide a visual reference for workers who need to access the pole for maintenance or repair. No matter which term is used, the importance of these markings cannot be overstated, as they allow for efficient and safe working conditions for those who work in the electrical or telecommunications industries.