What city is ZIP code 99020?

99020 is a Marshall, Washington ZIP code.

What county is 99020 in?

ZIP code 99020 is in Spokane County, Washington.

What time zone is ZIP code 99020 in?

99020 is in the Pacific Time zone (America/Los_Angeles).

What area code is 99020?

Phone numbers in ZIP code 99020 use area code 509.

What is the population of ZIP code 99020?

About 16 people live in ZIP code 99020, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 99020 for a street address?

No. 99020 is only for PO Boxes. Street addresses in Marshall use another ZIP code.

What ZIP codes are near 99020?

The nearest ZIP codes to 99020 are 99014 (Four Lakes, 4.5 miles), 99224 (Spokane, 5 miles), 99004 (Cheney, 6.3 miles) and 99203 (Spokane, 6.3 miles).

ZIP code 99020

Where is ZIP code 99020?

Marshall, Washington

Spokane County · PO Box only ZIP code

ZIP code 99020 belongs to Marshall, Washington in Spokane County. 99020 is a PO Box only ZIP code: it is used for post office boxes at the Marshall post office, not for street addresses. It is in the Pacific Time zone and uses area code 509. About 16 people live in the 99020 area. The closest ZIP codes are 99014 (Four Lakes, 4.5 mi west), 99224 (Spokane, 5 mi northwest) and 99004 (Cheney, 6.3 mi southwest).

ZIP code	99020
Type	PO Box only (no street delivery)
Status	Active
City	Marshall
State	Washington (WA)
County	Spokane County
Time zone	Pacific Time · now
Area code	509
Coordinates	47.5649, -117.4994 map
3-digit prefix	990

Population and income in 99020

Population	16 · lower than 99% of Washington ZIP codes
People per square mile	372 · higher than 62% of Washington ZIP codes
Men / women	0.0% / 100%
Income per person	$0
Below the poverty line	0.0%
Bachelor’s degree or higher	56% of adults 25+
Housing units	7
Households	7 (2.29 people on average)
Owners / renters	100% / 0.0%
Land area	0.04 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99020. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 99020

ZIP code	City	Distance	Type
99014	Four Lakes, WA	4.5 mi W	PO Box only
99224	Spokane, WA	5 mi NW	Standard
99004	Cheney, WA	6.3 mi SW	Standard
99203	Spokane, WA	6.3 mi NE	Standard
99204	Spokane, WA	6.7 mi NE	Standard
99210	Spokane, WA	6.9 mi NE	PO Box only
99211	Spokane, WA	6.9 mi NE	PO Box only
99214	Spokane, WA	6.9 mi NE	PO Box only
99215	Spokane, WA	6.9 mi NE	PO Box only
99219	Spokane, WA	6.9 mi NE	PO Box only
99220	Spokane, WA	6.9 mi NE	PO Box only
99228	Spokane, WA	6.9 mi NE	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99020 or measure the distance to another ZIP code.

How to address mail to 99020

JANE SMITH
PO BOX 123
MARSHALL WA 99020

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99020-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 99020?: 99020 is a Marshall, Washington ZIP code.
What county is 99020 in?: ZIP code 99020 is in Spokane County, Washington.
What time zone is ZIP code 99020 in?: 99020 is in the Pacific Time zone (America/Los_Angeles).
What area code is 99020?: Phone numbers in ZIP code 99020 use area code 509.
What is the population of ZIP code 99020?: About 16 people live in ZIP code 99020, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 99020 for a street address?: No. 99020 is only for PO Boxes. Street addresses in Marshall use another ZIP code.
What ZIP codes are near 99020?: The nearest ZIP codes to 99020 are 99014 (Four Lakes, 4.5 miles), 99224 (Spokane, 5 miles), 99004 (Cheney, 6.3 miles) and 99203 (Spokane, 6.3 miles).