Richlandtown Pennsylvania ZIP Codes
Richlandtown holds a single ZIP code.
Every ZIP code in Richlandtown
| ZIP code | County |
|---|---|
| 18955 | Bucks 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Richlandtown codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Richlandtown. 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 Richlandtown ZIP code begins 189. Those first three digits identify the sectional center facility that processes mail for this part of Pennsylvania. Statewide that range covers 60 ZIP codes, so Richlandtown accounts for 2% of it.
Every Pennsylvania ZIP prefix and the region it covers →
Area codes covering Richlandtown
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 Richlandtown occupies.
Richlandtown Pennsylvania area codes in full →
Where Richlandtown's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Richlandtown
| City | Distance | ZIP codes |
|---|---|---|
| Quakertown Pennsylvania ZIP codes | 2.6 mi | 1 ZIP code |
| Coopersburg Pennsylvania ZIP codes | 4.5 mi | 1 ZIP code |
| Trumbauersville Pennsylvania ZIP codes | 5.0 mi | 1 ZIP code |
| Perkasie Pennsylvania ZIP codes | 7.1 mi | 1 ZIP code |
| Hellertown Pennsylvania ZIP codes | 7.6 mi | 1 ZIP code |
| Sellersville Pennsylvania ZIP codes | 7.8 mi | 1 ZIP code |
| Dublin Pennsylvania ZIP codes | 9.0 mi | 1 ZIP code |
| Silverdale Pennsylvania ZIP codes | 9.1 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.