Nampa, ID ZIP Codes, Area Codes and Address Format

City guides  |  June 25, 2026  |  2 min read

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

State

Idaho (ID)

County

Canyon County

Standard ZIP codes

3

Time zone

Mountain

Nampa ZIP codes

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

• 83651
• 83686
• 83687

Area codes in Nampa

Nampa phone numbers use 208 and 986. With more than one code in use, residents on the same street can have different area codes.

Sample Nampa 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 Nampa

• End the address with NAMPA, ID 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. Nampa has 3 codes, so the city name alone is not enough.

Other cities in Canyon County

Caldwell

More Idaho cities

Coeur D Alene, Pocatello, Idaho Falls, Albion, Aberdeen, or see all Idaho cities.