Tiffin Iowa ZIP Codes
Tiffin holds a single ZIP code.
Every ZIP code in Tiffin
| ZIP code | County |
|---|---|
| 52340 | Johnson County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Tiffin codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Tiffin. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Tiffin ZIP code begins 523. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 53 ZIP codes, so Tiffin accounts for 2% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Tiffin
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Tiffin occupies.
Tiffin Iowa area codes in full →
Where Tiffin's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Tiffin
| City | Distance | ZIP codes |
|---|---|---|
| Coralville Iowa ZIP codes | 3.0 mi | 1 ZIP code |
| North Liberty Iowa ZIP codes | 3.4 mi | 1 ZIP code |
| Oxford Iowa ZIP codes | 7.2 mi | 1 ZIP code |
| Iowa City Iowa ZIP codes | 7.2 mi | 6 ZIP codes |
| Swisher Iowa ZIP codes | 9.9 mi | 1 ZIP code |
| Solon Iowa ZIP codes | 11 mi | 1 ZIP code |
| Hills Iowa ZIP codes | 12 mi | 1 ZIP code |
| Ely Iowa ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.