| City: | Lancaster, Pennsylvania |
| County: | Lancaster County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:32:58 PM |
| Population: | No Population Data |
| Area Codes: | 223 / 717 |
| Classification: | PO Box |
| Coordinates: | 40.0376, -76.3058 |
| Quick Link: |
ZIP 17604 serves as a postal facility hub rather than a residential neighborhood. Located on Harrisburg Pike in Lancaster, PA, this PO Box-only ZIP code maintains 320 boxes and handles administrative operations for the Lancaster postal district. The facility employs numerous postal managers and specialists whose job titles appear as delivery records.
The ZIP code doesn't serve a traditional residential community. Instead, it functions as the central postal operations center with two street carrier routes originating from this location. Lancaster County residents receive street delivery through neighboring residential ZIPs like 17601, which actually encompasses this facility's physical location. The PO Boxes here provide mail service for businesses and individuals preferring centralized pickup rather than street delivery.
Only Harrisburg Pike appears in delivery records, confirming this ZIP serves a single postal facility rather than a geographic area with multiple streets. The 169 records under this address represent organizational units and employee positions within the postal operations center.
ZIP Code 17604 supports both business and residential activity. According to the Business Census (2024), there are 49 business establishments, employing about 11,243 people with an annual payroll of $871,100,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,042Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 49Source: CBP |
| 1st Quarter Payroll: | $198,626,000Source: CBP |
| Annual Payroll: | $871,100,000Source: CBP |
| # of Employees: | 11,243Source: CBP |
ZIP Code 17604 is located in Lancaster County, Pennsylvania, within the Lancaster, PA Metropolitan Statistical Area (CBSA 29540) and Pennsylvania's 11st Congressional District. This Metro area has a population of 519,445 people, about 0.00% of whom live in ZIP Code 17604. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Lancaster, PASource: Census |
| CBSA Number: | 29540Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 519,445Source: Census |
| MSA: | Lancaster, PA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 11Source: USPS |
| Congressional Land Area: | 3356.48 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4241216Source: Census |
| Place Name: | Lancaster city; PennsylvaniaSource: Census |
We could not locate which school district 17604 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.