What city is ZIP code 99635?

99635 is a Nikiski, Alaska ZIP code. Kenai is also accepted as the city name.

What county is 99635 in?

ZIP code 99635 is in Kenai Peninsula Borough, Alaska.

What time zone is ZIP code 99635 in?

99635 is in the Alaska Time zone (America/Anchorage).

What area code is 99635?

Phone numbers in ZIP code 99635 use area code 907.

What is the population of ZIP code 99635?

About 100 people live in ZIP code 99635, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 99635 for a street address?

No. 99635 is only for PO Boxes. Street addresses in Nikiski use another ZIP code.

What ZIP codes are near 99635?

The nearest ZIP codes to 99635 are 99682 (Tyonek, 16.7 miles), 99611 (Kenai, 21.8 miles), 99672 (Sterling, 24.3 miles) and 99669 (Soldotna, 32.6 miles).

ZIP code 99635

Where is ZIP code 99635?

Nikiski, Alaska

Kenai Peninsula Borough · PO Box only ZIP code

ZIP code 99635 belongs to Nikiski, Alaska in Kenai Peninsula Borough. 99635 is a PO Box only ZIP code: it is used for post office boxes at the Nikiski post office, not for street addresses. It is in the Alaska Time zone and uses area code 907. About 100 people live in the 99635 area. The closest ZIP codes are 99682 (Tyonek, 16.7 mi northwest), 99611 (Kenai, 21.8 mi southwest) and 99672 (Sterling, 24.3 mi south).

ZIP code	99635
Type	PO Box only (no street delivery)
Status	Active
City	Nikiski
Also accepted	Kenai
State	Alaska (AK)
County	Kenai Peninsula Borough
Time zone	Alaska Time · now
Area code	907
Coordinates	60.8658, -150.8627 map
3-digit prefix	996

Population and income in 99635

Population	100 · lower than 79% of Alaska ZIP codes
People per square mile	0 · lower than 91% of Alaska ZIP codes
Median age	30.6 years · lower than 67% of Alaska ZIP codes
Men / women	100% / 0.0%
Income per person	$43,402
Below the poverty line	0.0%
Bachelor’s degree or higher	0.0% of adults 25+
Housing units	49
Households	0
Land area	4905.02 sq mi (plus 121.49 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99635. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 99635

ZIP code	City	Distance	Type
99682	Tyonek, AK	16.7 mi NW	PO Box only
99611	Kenai, AK	21.8 mi SW	Standard
99672	Sterling, AK	24.3 mi S	Standard
99669	Soldotna, AK	32.6 mi S	Standard
99502	Anchorage, AK	32.9 mi NE	Standard
99515	Anchorage, AK	36.3 mi NE	Standard
99529	Anchorage, AK	36.6 mi NE	Standard
99599	Anchorage, AK	37.2 mi NE	Standard
99517	Anchorage, AK	38.2 mi NE	Standard
99518	Anchorage, AK	38.4 mi NE	Standard
99503	Anchorage, AK	39.6 mi NE	Standard
99572	Cooper Landing, AK	40.1 mi SE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99635 or measure the distance to another ZIP code.

How to address mail to 99635

JANE SMITH
PO BOX 123
NIKISKI AK 99635

Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts KENAI as the city name for 99635. Avoid Nikishka: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (99635-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 99635?: 99635 is a Nikiski, Alaska ZIP code. Kenai is also accepted as the city name.
What county is 99635 in?: ZIP code 99635 is in Kenai Peninsula Borough, Alaska.
What time zone is ZIP code 99635 in?: 99635 is in the Alaska Time zone (America/Anchorage).
What area code is 99635?: Phone numbers in ZIP code 99635 use area code 907.
What is the population of ZIP code 99635?: About 100 people live in ZIP code 99635, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 99635 for a street address?: No. 99635 is only for PO Boxes. Street addresses in Nikiski use another ZIP code.
What ZIP codes are near 99635?: The nearest ZIP codes to 99635 are 99682 (Tyonek, 16.7 miles), 99611 (Kenai, 21.8 miles), 99672 (Sterling, 24.3 miles) and 99669 (Soldotna, 32.6 miles).