18003 ZIP Code — Lehigh Valley, PA
Northampton County, Pennsylvania
ZIP code 18003 is located in Lehigh Valley, Pennsylvania, within Northampton County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 610/484.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
18003 ZIP code map
Cities in ZIP code 18003
Below are the cities the US Postal Service accepts for ZIP code 18003. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Lehigh Valley | Acceptable |
| Lehigh Valley | Preferred |
Nearby ZIP codes
18109 Allentown (0.1 mi)
18032 Catasauqua (2.1 mi)
18018 Bethlehem (2.2 mi)
18017 Bethlehem (2.5 mi)
18101 Allentown (3.1 mi)
18025 Bethlehem (3.2 mi)
18102 Allentown (3.4 mi)
18016 Bethlehem (3.5 mi)
18052 Whitehall (3.8 mi)
18015 Bethlehem (5.2 mi)
18103 Allentown (5.4 mi)
18067 Northampton (5.5 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 42 |
| County FIPS | 095 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 40.6428 |
| Longitude | -75.4328 |
| Timezone | Eastern (ET) |
| Area code | 610/484 |