Cassoday Kansas ZIP Codes
Cassoday holds a single ZIP code.
Every ZIP code in Cassoday
| ZIP code | County |
|---|---|
| 66842 | Butler 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Cassoday codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Cassoday. 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 Cassoday ZIP code begins 668. Those first three digits identify the sectional center facility that processes mail for this part of Kansas. Statewide that range covers 36 ZIP codes, so Cassoday accounts for 3% of it.
Every Kansas ZIP prefix and the region it covers →
Area codes covering Cassoday
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 Cassoday occupies.
Cassoday Kansas area codes in full →
Where Cassoday's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Cassoday
| City | Distance | ZIP codes |
|---|---|---|
| Matfield Green Kansas ZIP codes | 9.3 mi | 1 ZIP code |
| Burns Kansas ZIP codes | 14 mi | 1 ZIP code |
| Cedar Point Kansas ZIP codes | 18 mi | 1 ZIP code |
| El Dorado Kansas ZIP codes | 19 mi | 1 ZIP code |
| Florence Kansas ZIP codes | 21 mi | 1 ZIP code |
| Potwin Kansas ZIP codes | 22 mi | 1 ZIP code |
| Elmdale Kansas ZIP codes | 23 mi | 1 ZIP code |
| Cottonwood Falls Kansas ZIP codes | 23 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.