This postal code is assigned to Riverhead Municipality County Suffolk, New York, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
This postal code is assigned to Riverhead Municipality County Suffolk, New York, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Riverhead
Suffolk, New York
11901
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers New York → Suffolk → Riverhead in United States.
Yes. 11901 is an active postcode for New York → Suffolk → Riverhead in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 11901?
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Riverhead
Suffolk, New York
11901
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers New York → Suffolk → Riverhead in United States.
Yes. 11901 is an active postcode for New York → Suffolk → Riverhead in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 11901?