Postal reference / United States
16105New Castle, Pennsylvania
ZIP code 16105 is a United States postal code for New Castle, Pennsylvania. Its county association is Lawrence County. The map reference point is at 41.0241, -80.3454.
- State / territory
- Pennsylvania
- Recorded place name
- New Castle
- County association
- Lawrence
- Estimated coordinate
- 41.0241, -80.3454
View on OpenStreetMap - ZIP prefix
- 161 · 45 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 25.576 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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Pennsylvania directoryOther ZIP codes in New Castle, PA
New Castle has 6 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 16101 | New Castle | PA | Lawrence | 2.4 |
| 16103 | New Castle | PA | Lawrence | 3.1 |
| 16107 | New Castle | PA | Lawrence | 3.1 |
| 16108 | New Castle | PA | Lawrence | 3.1 |
| 16102 | New Castle | PA | Lawrence | 4.6 |
| 16116 | Edinburg | PA | Lawrence | 6.1 |
| 16160 | West Pittsburg | PA | Lawrence | 6.5 |
| 16172 | New Wilmington | PA | Lawrence | 6.7 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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