What city is ZIP code 83731?

83731 is a Boise, Idaho ZIP code.

What county is 83731 in?

ZIP code 83731 is in Ada County, Idaho.

What time zone is ZIP code 83731 in?

83731 is in the Mountain Time zone (America/Boise).

What area code is 83731?

Phone numbers in ZIP code 83731 use area code 208.

Can I use 83731 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Boise use a standard ZIP code.

What ZIP codes are near 83731?

The nearest ZIP codes to 83731 are 83708 (Boise, 0 miles), 83711 (Boise, 0 miles), 83715 (Boise, 0 miles) and 83717 (Boise, 0 miles).

ZIP code 83731

Where is ZIP code 83731?

Boise, Idaho

Ada County · Unique ZIP code · retired

ZIP code 83731 is no longer in use. USPS retired it, so mail addressed to it may be delayed or returned. ZIP code 83731 belongs to Boise, Idaho in Ada County. 83731 is a unique ZIP code assigned to a single organization (Dept Of Transportation) that gets a lot of mail. It is in the Mountain Time zone and uses area code 208. The closest ZIP codes are 83708 (Boise, 0 mi north), 83711 (Boise, 0 mi north) and 83715 (Boise, 0 mi north).

ZIP code	83731
Type	Unique ZIP code for a single organization
Status	Retired (no longer in use)
City	Boise
State	Idaho (ID)
County	Ada County
Time zone	Mountain Time · now
Area code	208
Coordinates	43.4599, -116.244 map
3-digit prefix	837

ZIP codes near 83731

ZIP code	City	Distance	Type
83708	Boise, ID	0 mi N	Standard
83711	Boise, ID	0 mi N	PO Box only
83715	Boise, ID	0 mi N	PO Box only
83717	Boise, ID	0 mi N	PO Box only
83719	Boise, ID	0 mi N	PO Box only
83720	Boise, ID	0 mi N	Unique
83722	Boise, ID	0 mi N	Unique
83725	Boise, ID	0 mi N	Unique
83726	Boise, ID	0 mi N	Unique
83729	Boise, ID	0 mi N	Unique
83732	Boise, ID	0 mi N	Unique
83756	Boise, ID	0 mi N	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 83731 or measure the distance to another ZIP code.

Other ZIP codes in Boise, ID

All Boise ZIP codes with population and income →

Questions

What city is ZIP code 83731?: 83731 is a Boise, Idaho ZIP code.
What county is 83731 in?: ZIP code 83731 is in Ada County, Idaho.
What time zone is ZIP code 83731 in?: 83731 is in the Mountain Time zone (America/Boise).
What area code is 83731?: Phone numbers in ZIP code 83731 use area code 208.
Can I use 83731 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Boise use a standard ZIP code.
What ZIP codes are near 83731?: The nearest ZIP codes to 83731 are 83708 (Boise, 0 miles), 83711 (Boise, 0 miles), 83715 (Boise, 0 miles) and 83717 (Boise, 0 miles).