ZIP code 99751
Where is ZIP code 99751?
Kobuk, Alaska
Northwest Arctic Borough · PO Box only ZIP code
ZIP code 99751 belongs to Kobuk, Alaska in Northwest Arctic Borough. 99751 is a PO Box only ZIP code: it is used for post office boxes at the Kobuk post office, not for street addresses. It is in the Alaska Time zone and uses area code 907. About 101 people live in the 99751 area, where the median household income is $37,917. The closest ZIP codes are 99773 (Shungnak, 35.5 mi southwest), 99786 (Ambler, 49.3 mi northwest) and 99745 (Hughes, 84.7 mi southeast).
| ZIP code | 99751 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Kobuk |
| State | Alaska (AK) |
| County | Northwest Arctic Borough |
| Time zone | Alaska Time · now |
| Area code | 907 |
| Coordinates | 67.0589, -155.9679 map |
| 3-digit prefix | 997 |
Population and income in 99751
| Population | 101 · lower than 79% of Alaska ZIP codes |
|---|---|
| People per square mile | 7 · higher than 51% of Alaska ZIP codes |
| Median age | 22.8 years · lower than 89% of Alaska ZIP codes |
| Men / women | 55% / 46% |
| Median household income | $37,917 · lower than 91% of Alaska ZIP codes |
| Income per person | $23,259 |
| Below the poverty line | 26% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 56 |
| Households | 37 (2.73 people on average) |
| Owners / renters | 51% / 49% |
| Land area | 15.33 sq mi (plus 0.69 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99751. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99751
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99773 | Shungnak, AK | 35.5 mi SW | PO Box only |
| 99786 | Ambler, AK | 49.3 mi NW | PO Box only |
| 99745 | Hughes, AK | 84.7 mi SE | PO Box only |
| 99741 | Galena, AK | 86 mi SE | PO Box only |
| 99746 | Huslia, AK | 95 mi S | PO Box only |
| 99720 | Allakaket, AK | 95.5 mi E | PO Box only |
| 99763 | Noorvik, AK | 105.8 mi W | PO Box only |
| 99770 | Selawik, AK | 120.7 mi SW | PO Box only |
| 99749 | Kiana, AK | 120.7 mi W | PO Box only |
| 99721 | Anaktuvuk Pass, AK | 134.8 mi NE | PO Box only |
| 99726 | Bettles Field, AK | 135.5 mi E | PO Box only |
| 99727 | Buckland, AK | 149.6 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99751 or measure the distance to another ZIP code.
How to address mail to 99751
PO BOX 123
KOBUK AK 99751
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99751-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99751?
- 99751 is a Kobuk, Alaska ZIP code.
- What county is 99751 in?
- ZIP code 99751 is in Northwest Arctic Borough, Alaska.
- What time zone is ZIP code 99751 in?
- 99751 is in the Alaska Time zone (America/Anchorage).
- What area code is 99751?
- Phone numbers in ZIP code 99751 use area code 907.
- What is the population of ZIP code 99751?
- About 101 people live in ZIP code 99751, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99751?
- The median household income in 99751 is $37,917 a year, lower than 91% of Alaska ZIP codes.
- Can I use 99751 for a street address?
- No. 99751 is only for PO Boxes. Street addresses in Kobuk use another ZIP code.
- What ZIP codes are near 99751?
- The nearest ZIP codes to 99751 are 99773 (Shungnak, 35.5 miles), 99786 (Ambler, 49.3 miles), 99745 (Hughes, 84.7 miles) and 99741 (Galena, 86 miles).