ZIP code 18001
Where is ZIP code 18001?
Lehigh Valley, Pennsylvania
Lehigh County · PO Box only ZIP code
ZIP code 18001 belongs to Lehigh Valley, Pennsylvania in Lehigh County. 18001 is a PO Box only ZIP code: it is used for post office boxes at the Lehigh Valley post office, not for street addresses. It is in the Eastern Time zone and uses area code 484. The closest ZIP codes are 18002 (Lehigh Valley, 0.1 mi south), 18003 (Lehigh Valley, 0.1 mi south) and 18109 (Allentown, 0.7 mi southwest).
| ZIP code | 18001 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Lehigh Valley |
| State | Pennsylvania (PA) |
| County | Lehigh County |
| Time zone | Eastern Time · now |
| Area code | 484 |
| Coordinates | 40.6445, -75.4328 map |
| 3-digit prefix | 180 |
The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 18001
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 18002 | Lehigh Valley, PA | 0.1 mi S | PO Box only |
| 18003 | Lehigh Valley, PA | 0.1 mi S | Unique |
| 18109 | Allentown, PA | 0.7 mi SW | Standard |
| 18032 | Catasauqua, PA | 2.1 mi W | Standard |
| 18018 | Bethlehem, PA | 2.4 mi SE | Standard |
| 18017 | Bethlehem, PA | 2.5 mi NE | Standard |
| 18025 | Bethlehem, PA | 3.3 mi SW | Unique |
| 18101 | Allentown, PA | 3.5 mi SW | Standard |
| 18102 | Allentown, PA | 3.5 mi SW | Standard |
| 18037 | Coplay, PA | 3.7 mi NW | Standard |
| 18052 | Whitehall, PA | 3.8 mi W | Standard |
| 18105 | Allentown, PA | 3.9 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 18001 or measure the distance to another ZIP code.
How to address mail to 18001
PO BOX 123
LEHIGH VALLEY PA 18001
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (18001-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Lehigh Valley, PA
All Lehigh Valley ZIP codes with population and income →
Questions
- What city is ZIP code 18001?
- 18001 is a Lehigh Valley, Pennsylvania ZIP code.
- What county is 18001 in?
- ZIP code 18001 is in Lehigh County, Pennsylvania.
- What time zone is ZIP code 18001 in?
- 18001 is in the Eastern Time zone (America/New_York).
- What area code is 18001?
- Phone numbers in ZIP code 18001 use area code 484.
- Can I use 18001 for a street address?
- No. 18001 is only for PO Boxes. Street addresses in Lehigh Valley use another ZIP code.
- What ZIP codes are near 18001?
- The nearest ZIP codes to 18001 are 18002 (Lehigh Valley, 0.1 miles), 18003 (Lehigh Valley, 0.1 miles), 18109 (Allentown, 0.7 miles) and 18032 (Catasauqua, 2.1 miles).