USZIPSEARCH.COM — THE PEOPLE'S POSTAL INDEX

EVERY ZIP. EVERY STATE. ONE LOOKUP.

Decode any American ZIP code instantly — 50 states, DC and every territory, with 440+ city records baked right into this page and live enrichment from the Zippopotam.us network. No pages to load. No tracking. Just postal truth.

Press / anywhere to focus · First 3 digits already route your mail — we map all of them

TRY:

FIRST-CLASS DATA · SINCE 1963

US·Z

ISSUED BY USZIPSEARCH.COM
56 JURISDICTIONS · 331,000,000 ADDRESSEES

90210 · BEVERLY HILLS

99501 · ANCHORAGE

00901 · SAN JUAN

ACTIVE US ZIP CODES

STATES, DC & TERRITORIES

EMBEDDED CITY RECORDS

3-DIGIT PREFIX BANDS MAPPED

SECTION 01 — THE BLUEPRINT

Anatomy of a ZIP

Five digits, three jobs. Tap any digit to see what it does — the display updates live whenever you run a search above.

AND ZIP+4? SINCE 1983, FOUR MORE DIGITS PINPOINT THE EXACT DELIVERY SEGMENT — A FLOOR, A WING, A BANK OF PO BOXES.

SECTION 02 — THE GRID

The Prefix Atlas

Every US ZIP code starts with 3 digits that route it to a state. This is the complete band table — click any band to open its jurisdiction.

SECTION 03 — THE DIRECTORY

Every State. Every Territory.

56 profiles with capitals, ZIP ranges, area codes, time zones and the biggest cities — each card opens a full dossier.

SECTION 04 — MEASURE THE GAP

ZIP to ZIP Distance

Pick any two ZIP codes and see how far apart they are — straight-line miles from live coordinates, with graceful embedded fallback.

FROM

SECTION 05 — POSTAL TRUTHS

Frequently Asked

The history, anatomy and quirks of the ZIP code system — the short version.