What city is ZIP code 99143?

99143 is a Lacrosse, Washington ZIP code.

What county is 99143 in?

ZIP code 99143 is in Whitman County, Washington.

What time zone is ZIP code 99143 in?

99143 is in the Pacific Time zone (America/Los_Angeles).

What area code is 99143?

Phone numbers in ZIP code 99143 use area code 509.

What is the population of ZIP code 99143?

About 585 people live in ZIP code 99143, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 99143?

The median household income in 99143 is $38,214 a year, lower than 99% of Washington ZIP codes.

What ZIP codes are near 99143?

The nearest ZIP codes to 99143 are 99136 (Hay, 4.7 miles), 99333 (Hooper, 15 miles), 99359 (Starbuck, 17.5 miles) and 99125 (Endicott, 17.7 miles).

ZIP code 99143

Where is ZIP code 99143?

Lacrosse, Washington

Whitman County · Standard ZIP code

ZIP code 99143 belongs to Lacrosse, Washington in Whitman County. 99143 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 509. About 585 people live in the 99143 area, where the median household income is $38,214. The closest ZIP codes are 99136 (Hay, 4.7 mi west), 99333 (Hooper, 15 mi west) and 99359 (Starbuck, 17.5 mi southwest).

ZIP code	99143
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Lacrosse
State	Washington (WA)
County	Whitman County
Time zone	Pacific Time · now
Area code	509
Coordinates	46.694, -117.8436 map
3-digit prefix	991

Population and income in 99143

Population	585 · lower than 78% of Washington ZIP codes
People per square mile	2 · lower than 94% of Washington ZIP codes
Median age	59 years · higher than 90% of Washington ZIP codes
Men / women	52% / 49%
Median household income	$38,214 · lower than 99% of Washington ZIP codes
Income per person	$37,459
Below the poverty line	12%
Bachelor’s degree or higher	35% of adults 25+
Median home value	$123,600 · lower than 99% of Washington ZIP codes
Median rent	$658 a month
Housing units	317
Households	276 (2.12 people on average)
Owners / renters	85% / 15%
Land area	331.33 sq mi (plus 3.5 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99143. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 99143

ZIP code	City	Distance	Type
99136	Hay, WA	4.7 mi W	Standard
99333	Hooper, WA	15 mi W	PO Box only
99359	Starbuck, WA	17.5 mi SW	PO Box only
99125	Endicott, WA	17.7 mi N	Standard
99105	Benge, WA	18.9 mi NW	Standard
99347	Pomeroy, WA	19.4 mi SE	Standard
99371	Washtucna, WA	22.7 mi NW	Standard
99111	Colfax, WA	26 mi NE	Standard
99328	Dayton, WA	27.4 mi S	Standard
99102	Albion, WA	28.9 mi E	PO Box only
99171	Saint John, WA	29.3 mi NE	Standard
99174	Steptoe, WA	31.6 mi NE	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99143 or measure the distance to another ZIP code.

How to address mail to 99143

JANE SMITH
123 MAIN ST
LACROSSE WA 99143

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99143-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 99143?: 99143 is a Lacrosse, Washington ZIP code.
What county is 99143 in?: ZIP code 99143 is in Whitman County, Washington.
What time zone is ZIP code 99143 in?: 99143 is in the Pacific Time zone (America/Los_Angeles).
What area code is 99143?: Phone numbers in ZIP code 99143 use area code 509.
What is the population of ZIP code 99143?: About 585 people live in ZIP code 99143, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 99143?: The median household income in 99143 is $38,214 a year, lower than 99% of Washington ZIP codes.
What ZIP codes are near 99143?: The nearest ZIP codes to 99143 are 99136 (Hay, 4.7 miles), 99333 (Hooper, 15 miles), 99359 (Starbuck, 17.5 miles) and 99125 (Endicott, 17.7 miles).