First three digits · Pennsylvania
ZIP Codes Starting with
16 ZIP codes start with 185, sorted at the Scranton, PA (SCF 184) sectional center (USPS labeling list L005, effective October 1, 2026) in Pennsylvania: 11 residential ZIP codes across 1 county and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 185 mean?
The first digit, 1, is one of ten national areas (Delaware, New York and Pennsylvania). The first three, 185, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 185 to the Scranton, PA (SCF 184) facility. The last two digits pick the delivery area. By residents, the largest town names among the 185 ZIP codes are Scranton, Old Forge, Moosic and Taylor.
The same facility sorts 5 prefixes, 169 ZIP codes in all: 184, 185, 186, 187, 188.
Where are the 185 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 185
| County | ||||||
|---|---|---|---|---|---|---|
| 18501 | Scranton | Lackawanna County | PO Box or unique | – | – | – |
| 18502 | Scranton | Lackawanna County | PO Box or unique | – | – | – |
| 18503 | Scranton | Lackawanna County | 1,629 | 3,437 | $36k | $267k |
| 18504 | Scranton | Lackawanna County | 21,069 | 2,058 | $55k | $161k |
| 18505 | Scranton | Lackawanna County | 20,797 | 2,358 | $52k | $157k |
| 18507 | Moosic | Lackawanna County | 5,443 | 565 | $75k | $267k |
| 18508 | Scranton | Lackawanna County | 11,565 | 1,708 | $50k | $145k |
| 18509 | Scranton | Lackawanna County | 13,055 | 4,415 | $51k | $184k |
| 18510 | Scranton | Lackawanna County | 14,332 | 7,953 | $53k | $182k |
| 18512 | Scranton | Lackawanna County | 12,986 | 1,151 | $65k | $176k |
| 18515 | Scranton | Lackawanna County | PO Box or unique | – | – | – |
| 18517 | Taylor | Lackawanna County | 5,303 | 1,276 | $77k | $190k |
| 18518 | Old Forge | Lackawanna County | 8,573 | 2,119 | $72k | $174k |
| 18519 | Scranton | Lackawanna County | 5,266 | 2,174 | $59k | $181k |
| 18540 | Scranton | Lackawanna County | PO Box or unique | – | – | – |
| 18577 | Scranton | Lackawanna County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.