From sales taxes to local identity, Colorado communities say there are a lot of reasons to fight for a unique zip code.

Towns and cities from California to New Hampshire could have new zip codes under this bill. This map shows which communities would have a new zip code.

Walmart says its use of honeycomb-style map segments is helping expand same-day delivery to 12 million more US households.

Harris County Public Health released its 2015–2022 report on HIV and STI cases per ZIP code across the county.

Why are lead levels in children higher in 2 Flint ZIP codes? Q. What led to Flint's decision this past week to seek to reconnect to Detroit's water system? A. An analysis by Dr. Mona Hanna-Attisha ...

Two Flint ZIP codes — 48503 and 48504 — stand out for the high levels of lead in the blood of their youngest residents. It’s not clear why, but most likely, it’s a combination of reasons ...

The ten wealthiest zip codes in Denver County, based on each area's 2023 median household income, come with a few surprises in education and home prices.

Rent has gone way up in Phoenix over the years, and it costs the most in these ZIP codes.

The ZIP code map of Flint, Michigan, is sort of similar to the map of Scotland, Connecticut. It's a patchwork of ZIP codes that overlap with the city of Flint but cover a lot of area outside the ...

Here’s how all of Maricopa County’s ZIP codes compare by 2023 median household income. The bluer the ZIP code, the richer it is. Below are the 10 wealthiest ZIP codes in the county.

It’s no surprise that living in the D.C. area is expensive. In fact, most of Maryland and Virginia’s most expensive ZIP codes are Washington suburbs, according to a recent report by the ...

A new tool published by our partners the San Francisco Chronicle lets you see how much it costs to insure California homes each year by ZIP code.