# United States Postal Service > Post office operates with late hours allowing mail drop-offs before midnight. Staffing varies from one to three employees, often with only one person working. The atmosphere is straightforward and functional, with package scanning and delivery notifications integrated into service. Source: https://www.atly.com/location/UnitedStatesPostalService1621 - Address: 1001 E Sunset Rd Rm 1030, Las Vegas, Nevada, United States - Phone: +18002758777 - Website: https://tools.usps.com/locations/details/1439873?utm_source=google-my-business-url&utm_medium=search&utm_campaign=yext ## What it is good for - Kid Friendly — 6.7/10 - Post Office — 5.5/10 ## What people say - "My package was scanned at the Post Office and never updated." - "The staff here are helpful with kids' passports." ## Good to know - The postal service location is open late, allowing for late mail drop-off. - Expect long lines during peak hours, especially on weekends. - Package delivery from the post office to your PO box can take up to two weeks. - Only one employee often works during busy times, leading to delays. - Consider visiting during off-peak hours to avoid long wait times. ## 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.