ZIP code 19451
Where is ZIP code 19451?
Mainland, Pennsylvania
Montgomery County · PO Box only ZIP code
ZIP code 19451 belongs to Mainland, Pennsylvania in Montgomery County. 19451 is a PO Box only ZIP code: it is used for post office boxes at the Mainland post office, not for street addresses. It is in the Eastern Time zone and uses area codes 215, 267 and 445. The closest ZIP codes are 19404 (Norristown, 0 mi north), 19407 (Audubon, 0 mi north) and 19450 (Lederach, 0 mi north).
| ZIP code | 19451 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mainland |
| Also accepted | Harleysville |
| State | Pennsylvania (PA) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 215, 267, 445 |
| Coordinates | 40.2119, -75.3559 map |
| 3-digit prefix | 194 |
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 19451
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 19404 | Norristown, PA | 0 mi N | PO Box only |
| 19407 | Audubon, PA | 0 mi N | PO Box only |
| 19450 | Lederach, PA | 0 mi N | PO Box only |
| 19423 | Cedars, PA | 0.6 mi NW | PO Box only |
| 19490 | Worcester, PA | 1.3 mi S | PO Box only |
| 19443 | Kulpsville, PA | 2.1 mi N | PO Box only |
| 19474 | Skippack, PA | 2.7 mi W | PO Box only |
| 19486 | West Point, PA | 2.9 mi E | PO Box only |
| 19446 | Lansdale, PA | 3.7 mi NE | Standard |
| 19430 | Creamery, PA | 3.9 mi SW | PO Box only |
| 19409 | Fairview Village, PA | 4.1 mi SW | PO Box only |
| 19455 | North Wales, PA | 4.1 mi E | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 19451 or measure the distance to another ZIP code.
How to address mail to 19451
PO BOX 123
MAINLAND PA 19451
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts HARLEYSVILLE as the city name for 19451. Adding the 4-digit ZIP+4 code (19451-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 19451?
- 19451 is a Mainland, Pennsylvania ZIP code. Harleysville is also accepted as the city name.
- What county is 19451 in?
- ZIP code 19451 is in Montgomery County, Pennsylvania.
- What time zone is ZIP code 19451 in?
- 19451 is in the Eastern Time zone (America/New_York).
- What area code is 19451?
- Phone numbers in ZIP code 19451 use area codes 215, 267 and 445.
- Can I use 19451 for a street address?
- No. 19451 is only for PO Boxes. Street addresses in Mainland use another ZIP code.
- What ZIP codes are near 19451?
- The nearest ZIP codes to 19451 are 19404 (Norristown, 0 miles), 19407 (Audubon, 0 miles), 19450 (Lederach, 0 miles) and 19423 (Cedars, 0.6 miles).