# United States Postal Service > Large building with escalators and free parking above offers extended retail hours including late evenings. Atmosphere is generally peaceful after 7 pm despite occasional disruptions. Self-service mailbox area allows quick drop-offs, and passport services have longer hours than most post offices. Source: https://www.atly.com/location/UnitedStatesPostalService1093 - Address: 433 W Harrison St Fl Lbby, Chicago, Illinois, United States - Phone: +18002758777 - Website: https://tools.usps.com/locations/details/1434877?utm_source=google-my-business-url&utm_medium=search&utm_campaign=yext ## What it is good for - Late Night Spot — 8/10 - Post Office — 6.4/10 ## What people say - "This post office is a great late night spot, open 24 hours." - "The Post Office staff here is so kind and friendly." ## Good to know - The main post office on Harrison & Canal is open 24 hours. - Their passport processing hours are longer than most other post offices. - Express passport service is processed in 3-5 weeks, and regular service takes about 1-3 months. - There was a line of people waiting at 8pm on a Monday. - The post office is convenient, accessible, and offers amazing hours for those who can't visit during 9-5. ## 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.