ZIP Code 13671 in Antwerp, NY

Data Last Updated: February 1, 2026
City:Antwerp, New York
County:Jefferson County
Timezone:Eastern (GMT -05:00)
Local Time:8:56:14 PM
Population:No Population Data
Area Codes:315 / 680
Classification:PO Box
Coordinates:44.1993, -75.6074
Quick Link:
https://www.zip-codes.com/zip-code/13671/zip-code-13671.asp

Download this data |

Download ZIP Boundaries |

13671 Antwerp, NY - Legacy Postal Designation

ZIP Code 13671, Antwerp

Small Town Unique ZIP No Census Data
LocationJefferson County, NY
Area0 sq mi Single Point
PO Boxes0 No PO Boxes
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 13608
Key Facts
  • This ZIP code has zero active PO Boxes and zero residential delivery points
  • Mail service is provided through neighboring ZIP code 13608, which encloses this location
  • A standard ZIP code exists for Antwerp that handles actual mail delivery
  • The single postal record points to a postmaster address on County Route 25 with rural route service
  • This is not a PO Box Only Zone and street delivery is available through the alternative ZIP

Administrative Status

Antwerp, New York 13671 is a PO Box classified ZIP code in Jefferson County with no active PO Box facility. This ZIP currently has zero PO Boxes and zero residential delivery points, indicating it functions as an administrative postal designation rather than an operational post office.

Current Service Pattern

The single ZIP+4 record for this code points to a postmaster address on County Route 25, served by one rural carrier route. Mail for this area is processed through the neighboring ZIP code 13608, which encloses this point location. Antwerp maintains a standard ZIP code sibling that handles the community's actual mail delivery.

Mailing to Antwerp

This isn't a PO Box Only Zone. Street delivery is available in Antwerp through the alternative ZIP code. The P classification here represents legacy postal infrastructure that has been consolidated or reassigned to neighboring facilities over time.

Street Name Patterns

Rural Highway

Single postmaster address on rural county route.

Business & Employment Statistics


ZIP Code 13671 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:0Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 13671 is located in Jefferson County, New York, within the Watertown-Fort Drum, NY Metropolitan Statistical Area (CBSA 48060) and New York's 21st Congressional District. This Metro area has a population of 116,229 people, about 0.00% of whom live in ZIP Code 13671. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Watertown-Fort Drum, NYSource: Census
CBSA Number:48060Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:116,229Source: Census
MSA:Source: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:21Source: USPS
Congressional Land Area:15114.76 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3602286Source: Census
Place Name:Antwerp village; New YorkSource: Census

Adjacent & Nearby ZIP Codes


13672 | | 13670

Schools in ZIP Code 13671


We could not locate which school district 13671 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.

Antwerp Primary School 6 Academy St
Antwerp, NY 13608
District: Indian River Central School DistrictNearby
Philadelphia Primary School 3 Sand St
Philadelphia, NY 13673
District: Indian River Central School DistrictNearby
Indian River High School 32925 US Rt 11
Philadelphia, NY 13673
District: Indian River Central School DistrictNearby
Indian River Middle School 32735 County Rt 29
Philadelphia, NY 13673
District: Indian River Central School DistrictNearby
Indian River Intermediate School 32430 US Rt 11
Philadelphia, NY 13673
District: Indian River Central School DistrictNearby
St James Elementary School 20 S Gordon St
Gouverneur, NY 13642
District: Private SchoolNearby
Augustinian Academy 317 W St
Carthage, NY 13619
District: Private SchoolNearby
Red Oak School 622 State Highway 184
Heuvelton, NY 13654
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 13671


Jefferson Community College 1220 Coffeen St
Watertown, NY 13601-1897
Type: Post Secondary
Jefferson Lewis Boces-Practical Nursing Program 20104 State Route 3
Watertown, NY 13601-9509
Type: Post Secondary
St Lawrence University 23 Romoda Drive
Canton, NY 13617
Type: Post Secondary
Suny College Of Technology At Canton 34 Cornell Drive
Canton, NY 13617-1098
Type: Post Secondary
The Clarkson School 53 Goldenrod Drive
Potsdam, NY 13699
Type: Post Secondary
Clarkson University 8 Clarkson Ave
Potsdam, NY 13699
Type: Post Secondary

Sources & References


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.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov