Fredericksburg Iowa ZIP Codes
Fredericksburg holds a single ZIP code.
Every ZIP code in Fredericksburg
| ZIP code | County |
|---|---|
| 50630 | Chickasaw 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Fredericksburg codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Fredericksburg. 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 Fredericksburg ZIP code begins 506. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 70 ZIP codes, so Fredericksburg accounts for 1% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Fredericksburg
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 Fredericksburg occupies.
Fredericksburg Iowa area codes in full →
Where Fredericksburg's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Fredericksburg
| City | Distance | ZIP codes |
|---|---|---|
| Lawler Iowa ZIP codes | 7.7 mi | 1 ZIP code |
| Frederika Iowa ZIP codes | 7.9 mi | 1 ZIP code |
| New Hampton Iowa ZIP codes | 8.7 mi | 1 ZIP code |
| Sumner Iowa ZIP codes | 9.4 mi | 1 ZIP code |
| Waucoma Iowa ZIP codes | 10 mi | 1 ZIP code |
| Tripoli Iowa ZIP codes | 11 mi | 1 ZIP code |
| Hawkeye Iowa ZIP codes | 13 mi | 1 ZIP code |
| Ionia Iowa ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.