Martinsburg, WV ZIP Codes, Area Codes and Address Format

City guides  |  May 31, 2026  |  2 min read

This guide covers Martinsburg, WV: its ZIP codes, area codes, county and time zone, with sample addresses you can copy for testing.

State

West Virginia (WV)

County

Berkeley County

Standard ZIP codes

4

Time zone

Eastern

Martinsburg ZIP codes

These are the standard delivery ZIP codes for Martinsburg. The city has 5 ZIP codes in total when PO Box and unique codes are included.

• 25401
• 25403
• 25404
• 25405

Area codes in Martinsburg

Martinsburg phone numbers use 304 and 681. With more than one code in use, residents on the same street can have different area codes.

Sample Martinsburg addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Martinsburg

• End the address with MARTINSBURG, WV and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Martinsburg has 4 codes, so the city name alone is not enough.

More West Virginia cities

Parkersburg, Alma, Adrian, Charleston, Morgantown, or see all West Virginia cities.