First three digits · Pennsylvania
ZIP Codes Starting with
18 ZIP codes start with 187, sorted at the Scranton, PA (SCF 184) sectional center (USPS labeling list L005, effective October 1, 2026) in Pennsylvania: 8 residential ZIP codes across 1 county and 10 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 187 mean?
The first digit, 1, is one of ten national areas (Delaware, New York and Pennsylvania). The first three, 187, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 187 to the Scranton, PA (SCF 184) facility. The last two digits pick the delivery area. By residents, the largest town names among the 187 ZIP codes are Wilkes Barre, Kingston, Mountain Top, Shavertown and Luzerne.
The same facility sorts 5 prefixes, 169 ZIP codes in all: 184, 185, 186, 187, 188.
Where are the 187 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 187
| County | ||||||
|---|---|---|---|---|---|---|
| 18701 | Wilkes Barre | Luzerne County | 4,294 | 8,554 | $33k | $204k |
| 18702 | Wilkes Barre | Luzerne County | 41,970 | 537 | $56k | $132k |
| 18703 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18704 | Kingston | Luzerne County | 31,149 | 3,079 | $64k | $162k |
| 18705 | Wilkes Barre | Luzerne County | 15,624 | 3,153 | $59k | $141k |
| 18706 | Wilkes Barre | Luzerne County | 16,387 | 624 | $59k | $138k |
| 18707 | Mountain Top | Luzerne County | 16,689 | 327 | $110k | $301k |
| 18708 | Shavertown | Luzerne County | 8,867 | 554 | $99k | $265k |
| 18709 | Luzerne | Luzerne County | 2,910 | 3,829 | $42k | $114k |
| 18710 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18711 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18762 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18764 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18765 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18766 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18767 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18769 | Wilkes Barre | Luzerne County | PO Box or unique | – | – | – |
| 18773 | Wilkes Barre | Luzerne 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.