| City: | Reading, Pennsylvania |
| County: | Berks County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 1:55:22 AM |
| Population: | No Population Data |
| Area Codes: | 484 / 610 / 835 |
| Classification: | PO Box |
| Coordinates: | 40.3357, -75.9272 |
| Quick Link: |
The facility sits in Berks County, where Reading's urban core has organized its business mail separately from residential addresses. N 5th Street runs through the central business district, and businesses there use this ZIP for their mailing addresses while the surrounding neighborhoods use standard street delivery ZIPs. The post office handles a concentrated volume of commercial mail in a compact footprint, with 130 delivery records tied to a single street corridor.
The single street entry reflects a concentrated business district mail facility rather than a traditional delivery zone.
ZIP Code 19603 supports both business and residential activity. According to the Business Census (2024), there are 21 business establishments, employing about 324 people with an annual payroll of $42,891,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 260Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 21Source: CBP |
| 1st Quarter Payroll: | $7,099,000Source: CBP |
| Annual Payroll: | $42,891,000Source: CBP |
| # of Employees: | 324Source: CBP |
ZIP Code 19603 is located in Berks County, Pennsylvania, within the Reading, PA Metropolitan Statistical Area (CBSA 39740) and Pennsylvania's 6th Congressional District. This Metro area has a population of 429,989 people, about 0.00% of whom live in ZIP Code 19603. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Reading, PASource: Census |
| CBSA Number: | 39740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 429,989Source: Census |
| MSA: | Reading, PA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 860.47 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4263624Source: Census |
| Place Name: | Reading city; PennsylvaniaSource: Census |
We could not locate which school district 19603 belongs to, but we will update this once new district data is released. There are 0 public schools with a nearby mailing address, but we have located 5 public schools nearby. There are however 1 private school(s). 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 January 1, 2026.