Westmoreland County, located in the state of Pennsylvania, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Westmoreland County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
15501
15627
15636
15690
15923
15531
15626
15660
15622
15646
15641
15698
15691
15662
15012
15062
15137
15479
15601
15642
15656
15613
15637
15665
15687
15087
15611
15633
15647
15629
15448
15624
15239
15650
15677
15675
15612
15619
15779
15638
15639
15618
15680
15606
15068
15089
15083
15632
15610
15671
15668
15695
15697
15628
15684
15696
15663
15069
15146
15131
15658
15670
15679
15688
15615
15616
15621
15664
15617
15644
15666
15672
15683
15717
15661
15681
15678
15954
15620
15692
15640
15072
15625
15693
15689
15085
15655
15634
15944
16229
15623
15676
15685
15635
15674

To know more about Westmoreland County, click the button below:

Westmoreland County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Westmoreland County County?

There are approximately 95 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Westmoreland County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.