In which county is ZIP code 27577 located?

ZIP 27577 is listed under Johnston, NC.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 27577: Smithfield, NC

ZIP: 27577

County: Johnston

Coordinates: 35.50680, -78.34790

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 27577 in Smithfield, NC. We include verified county details for Johnston plus key geographic references used for mapping and logistics.

Primary City	Smithfield
ZIP Code	27577
County	Johnston
State	NC
Latitude / Longitude	35.50680, -78.34790
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 27577 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 27577 are listed as 35.50680 / -78.34790, useful for GPS and service checks in and around Smithfield, NC.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 27577 for mail delivery and general location reference in Johnston, NC.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Smithfield within NC.

Frequently Asked Questions

What is the primary city for ZIP code 27577?

The primary city for this ZIP code is Smithfield, located in NC.

In which county is 27577 located?

ZIP code 27577 is situated within Johnston, NC.

What are the coordinates for 27577?

The approximate center point is 35.50680 (Latitude) and -78.34790 (Longitude).

Is ZIP code 27577 active?

This page lists ZIP 27577 as Listed based on the latest refresh date shown above.

Does ZIP 27577 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