# United States Postal Service > Lines form consistently, especially on passport days, creating a steady pace. Staff generally maintain a friendly attitude, contrasting with experiences at other locations. The environment encourages kindness toward workers, which positively shapes the atmosphere. Source: https://www.atly.com/location/UnitedStatesPostalService591 - Address: 29 Valley Dr, Greenwich, Connecticut, United States - Phone: +18002758777 - Website: https://tools.usps.com/locations/details/1365684?utm_source=google-my-business-url&utm_medium=search&utm_campaign=yext ## What it is good for - Post Office — 10/10 ## What people say - "The Post Office staff here are so friendly and knowledgeable." ## Good to know - Expect long lines, especially on passport processing days. - Prepare for potential delays; quick visits are unlikely. - Patience is essential due to varying wait times. - Customer service can vary; being kind to staff improves the experience. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.