In which county is ZIP code 62551 located?

ZIP 62551 is listed under Macon, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 62551: Niantic, IL

ZIP: 62551

County: Macon

Coordinates: 39.85820, -89.17010

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Niantic, IL postal area 62551. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Niantic
ZIP Code	62551
County	Macon
State	IL
Latitude / Longitude	39.85820, -89.17010
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 62551 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 62551 is approximately 39.85820 (latitude) and -89.17010 (longitude). This location sits within Macon, contributing to regional planning across IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 62551 for mail delivery and general location reference in Macon, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Niantic within IL.

Frequently Asked Questions

What is the primary city for ZIP code 62551?

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

In which county is 62551 located?

ZIP code 62551 is situated within Macon, IL.

What are the coordinates for 62551?

The approximate center point is 39.85820 (Latitude) and -89.17010 (Longitude).

Is ZIP code 62551 active?

This page lists ZIP 62551 as Listed based on the latest refresh date shown above.

Does ZIP 62551 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