ZIP code 15664
Where is ZIP code 15664?
Mammoth, Pennsylvania
Westmoreland County · PO Box only ZIP code
ZIP code 15664 belongs to Mammoth, Pennsylvania in Westmoreland County. 15664 is a PO Box only ZIP code: it is used for post office boxes at the Mammoth post office, not for street addresses. It is in the Eastern Time zone and uses area code 724. The closest ZIP codes are 15634 (Grapeville, 1.1 mi northeast), 15644 (Jeannette, 1.3 mi north) and 15675 (Penn, 1.8 mi northwest).
| ZIP code | 15664 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mammoth |
| State | Pennsylvania (PA) |
| County | Westmoreland County |
| Time zone | Eastern Time · now |
| Area code | 724 |
| Coordinates | 40.3108, -79.6172 map |
| 3-digit prefix | 156 |
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 15664
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 15634 | Grapeville, PA | 1.1 mi NE | Standard |
| 15644 | Jeannette, PA | 1.3 mi N | Standard |
| 15675 | Penn, PA | 1.8 mi NW | Standard |
| 15611 | Adamsburg, PA | 2.1 mi W | Standard |
| 15665 | Manor, PA | 3.2 mi NW | Standard |
| 15692 | Westmoreland City, PA | 3.6 mi W | Standard |
| 15617 | Arona, PA | 3.7 mi SW | PO Box only |
| 15691 | Wendel, PA | 3.8 mi W | PO Box only |
| 15601 | Greensburg, PA | 3.9 mi E | Standard |
| 15623 | Claridge, PA | 4 mi N | Standard |
| 15606 | Greensburg, PA | 4.2 mi E | Unique |
| 15636 | Harrison City, PA | 4.3 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 15664 or measure the distance to another ZIP code.
How to address mail to 15664
PO BOX 123
MAMMOTH PA 15664
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (15664-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 15664?
- 15664 is a Mammoth, Pennsylvania ZIP code.
- What county is 15664 in?
- ZIP code 15664 is in Westmoreland County, Pennsylvania.
- What time zone is ZIP code 15664 in?
- 15664 is in the Eastern Time zone (America/New_York).
- What area code is 15664?
- Phone numbers in ZIP code 15664 use area code 724.
- Can I use 15664 for a street address?
- No. 15664 is only for PO Boxes. Street addresses in Mammoth use another ZIP code.
- What ZIP codes are near 15664?
- The nearest ZIP codes to 15664 are 15634 (Grapeville, 1.1 miles), 15644 (Jeannette, 1.3 miles), 15675 (Penn, 1.8 miles) and 15611 (Adamsburg, 2.1 miles).