Union City Pennsylvania ZIP Codes
Union City holds a single ZIP code.
Every ZIP code in Union City
| ZIP code | County |
|---|---|
| 16438 | Erie 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Union City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Union City. 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 Union City ZIP code begins 164. Those first three digits identify the sectional center facility that processes mail for this part of Pennsylvania. Statewide that range covers 35 ZIP codes, so Union City accounts for 3% of it.
Every Pennsylvania ZIP prefix and the region it covers →
Area codes covering Union City
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Union City occupies.
Union City Pennsylvania area codes in full →
Where Union City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Union City
| City | Distance | ZIP codes |
|---|---|---|
| Elgin Pennsylvania ZIP codes | 5.0 mi | 1 ZIP code |
| Mill Village Pennsylvania ZIP codes | 6.8 mi | 1 ZIP code |
| Wattsburg Pennsylvania ZIP codes | 7.5 mi | 1 ZIP code |
| Waterford Pennsylvania ZIP codes | 8.0 mi | 1 ZIP code |
| Spartansburg Pennsylvania ZIP codes | 9.8 mi | 1 ZIP code |
| Corry Pennsylvania ZIP codes | 11 mi | 1 ZIP code |
| Cambridge Springs Pennsylvania ZIP codes | 13 mi | 1 ZIP code |
| Edinboro Pennsylvania ZIP codes | 15 mi | 2 ZIP codes |
Straight-line distance between place reference points, not driving distance.