In which county is ZIP code 61071 located?

ZIP 61071 is listed under Whiteside, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61071: Rock Falls, IL

ZIP: 61071

County: Whiteside

Coordinates: 41.76650, -89.69250

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Rock Falls, IL postal area 61071. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Rock Falls
ZIP Code	61071
County	Whiteside
State	IL
Latitude / Longitude	41.76650, -89.69250
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 61071 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 61071 is approximately 41.76650 (latitude) and -89.69250 (longitude). This location sits within Whiteside, contributing to regional planning across IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61071 for mail delivery and general location reference in Whiteside, IL.

Some addresses near Rock Falls may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Rock Falls within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61071?

The primary city for this ZIP code is Rock Falls, located in IL.

In which county is 61071 located?

ZIP code 61071 is situated within Whiteside, IL.

What are the coordinates for 61071?

The approximate center point is 41.76650 (Latitude) and -89.69250 (Longitude).

Is ZIP code 61071 active?

This page lists ZIP 61071 as Listed based on the latest refresh date shown above.

Does ZIP 61071 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08