Meridian, ID ZIP Codes, Area Codes and Address Format

City guides  |  April 26, 2026  |  2 min read

Looking up ZIP codes or writing an address in Meridian, Idaho? Below is a practical reference built from postal data for the city.

State

Idaho (ID)

County

Ada County

Standard ZIP codes

2

Time zone

Mountain

Meridian ZIP codes

These are the standard delivery ZIP codes for Meridian. The city has 3 ZIP codes in total when PO Box and unique codes are included.

• 83642
• 83646

Area codes in Meridian

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

Sample Meridian 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 Meridian

• End the address with MERIDIAN, 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. Meridian has 2 codes, so the city name alone is not enough.

Other cities in Ada County

Boise

More Idaho cities

Boise, Pocatello, Ashton, Albion, Idaho Falls, or see all Idaho cities.