What the importance of post office?
what are the importance of post office
The compound noun 'post office' is a common noun as a general word for a local branch of any postal service. Examples: I can stop at the post office. The post office has shipping cartons. The noun 'post office' is a proper noun as part of the name of a specific post office; for example, Springfield Post Office 19064 or Jackson Post Office 45640. A proper noun is always capitalized.