| City: | Westfield, New Jersey |
| County: | Union County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:23:27 PM |
| Population: | No Population Data |
| Area Code: | 908 |
| Classification: | PO Box |
| Coordinates: | 40.6589, -74.3479 |
| Quick Link: |
ZIP code 07091 exists specifically for PO Box service in Westfield, New Jersey. It doesn't cover any residential territory. Instead, it functions as a PO Box-only designation within the larger Westfield community, which receives street delivery through ZIP 07090.
The Westfield post office on Central Avenue maintains 119 PO Boxes. All mail operations for 07091 route through this single location. The 86 street-type ZIP+4 records for Central Avenue are actually PO Box Street Addressing (PBSA) records, allowing box holders to use the post office's street address with their box number.
Westfield sits in Union County, part of the New York City metropolitan area. Nearby neighborhoods include Downtown Elizabeth (6.5 miles), Weequahic in Newark (7.3 miles), and Upper Vailsburg (7.7 miles). The post office serves 195 business delivery points and 13 local establishments employ 114 workers.
Residents who want a Westfield mailing address without home delivery use 07091. Businesses downtown may prefer a PO Box for mail security or professional appearance. Since this isn't a PO Box Only Zone, anyone can choose between box service at 07091 or street delivery through 07090.
Central Avenue is the post office location. Street records here are PO Box Street Addressing, not actual street delivery.
ZIP Code 07091 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 140 people with an annual payroll of $10,584,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 999Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $2,870,000Source: CBP |
| Annual Payroll: | $10,584,000Source: CBP |
| # of Employees: | 140Source: CBP |
ZIP Code 07091 is located in Union County, New Jersey, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New Jersey's 7th Congressional District. This Metro area has a population of 19,756,722 people, about 0.00% of whom live in ZIP Code 07091, and is subdivided into the Newark, NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Newark, NJ (CBSA Div 35084)Source: Census |
| CBSA Population: | 19,756,722Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 970.19 sq miSource: Census |
| PMSA: | Newark, NJ PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3479040Source: Census |
| Place Name: | Westfield town; New JerseySource: Census |
ZIP Code 07091 is in the Summit City School District, which serves grades Kindergarten thru 12th. There are 2 public school(s) in this ZIP Code, and we have located 3 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.