In which county is ZIP code 75603 located?

ZIP 75603 is listed under Gregg, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 75603: Longview, TX

ZIP: 75603

County: Gregg

Coordinates: 32.42640, -94.71170

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 75603, serving Longview in TX. It lies in Gregg and supports delivery, planning, and address verification.

Primary City	Longview
ZIP Code	75603
County	Gregg
State	TX
Latitude / Longitude	32.42640, -94.71170
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 75603 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 75603 is approximately 32.42640 (latitude) and -94.71170 (longitude). This location sits within Gregg, contributing to regional planning across TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 75603 for mail delivery and general location reference in Gregg, TX.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Longview.

Related ZIP Codes (Nearby)

Explore other postal codes near Longview within TX.

Frequently Asked Questions

What is the primary city for ZIP code 75603?

The primary city for this ZIP code is Longview, located in TX.

In which county is 75603 located?

ZIP code 75603 is situated within Gregg, TX.

What are the coordinates for 75603?

The approximate center point is 32.42640 (Latitude) and -94.71170 (Longitude).

Is ZIP code 75603 active?

This page lists ZIP 75603 as Listed based on the latest refresh date shown above.

Does ZIP 75603 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