Blog
How to Write a Letter and Address an Envelope with the Correct US Postal Code
2026-09-30
NEW YORK, NY 10001 is a real postal code for New York, New York. Where you place that code decides whether your letter reaches [recipient name] or lands in a dead‑letter bin. Why the postal code position matters for sorting The US...
US Unit Conversion: Distances, Elevation, Area, Speed
2026-09-30
The highest point in the United States is Denali in Alaska, rising to 6 190 metres above sea level. That is 20 308 feet, a figure that matters for anyone planning a climb and needing to understand altitude. The conversion is exact: one metre equal...
The Time Zone Surprise: Why Arizona and Hawaii Break the Rules
2026-09-29
They are wrong. The country spans nine time zones from the Atlantic to the Pacific, and two of its 52 top-level regions—Arizona and Hawaii—do not observe daylight saving time at all. That means a postal code lookup for a zip in Phoenix, Arizona, s...