Plain

County ZIP codes · Alaska · FIPS 02240

Southeast Fairbanks Census Area, AK ZIP Codes

Southeast Fairbanks Census Area, Alaska has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 1 for PO boxes or a single organization. 3 of the residential ones extend into a neighboring county. Median household income ranges from $64,330 in 99780 (Tok) to $83,107 in 99737 (Delta Junction) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Southeast Fairbanks Census Area?

99706 · Fairbanks: –99732 · Chicken: –99737 · Delta Junction: $83k99738 · Eagle: $41k99764 · Northway: $33k99776 · Tanacross: $53k99780 · Tok: $64k997379973899780997649973299706 · Fairbanks: –99732 · Chicken: –99737 · Delta Junction: $83k99738 · Eagle: $41k99764 · Northway: $33k99776 · Tanacross: $53k99780 · Tok: $64k997379973899780997649973299706 · Fairbanks: –99732 · Chicken: –99737 · Delta Junction: $83k99738 · Eagle: $41k99764 · Northway: $33k99776 · Tanacross: $53k99780 · Tok: $64k9973799738997809976499732
The residential ZIP codes of Southeast Fairbanks Census Area (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 7 postal town names: Delta Junction, Tok, Northway, Tanacross, Eagle, Fairbanks, Chicken.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 7 residential ZIP codes in Southeast Fairbanks Census Area

Residential ZIP codes mainly in Southeast Fairbanks Census Area, largest first; "In this county" is the share of the ZIP's land in the county
In this county
99737 Delta Junction 4,774 1 $83k $313k 76%
99780 Tok 1,884 0 $64k $219k 95%
99764 Northway 195 0 $33k $180k 100%
99776 Tanacross 155 2 $53k $85k 100%
99738 Eagle 125 0 $41k $62k 58%
99706 Fairbanks 24 0 – – 100%
99732 Chicken 9 0 – – 100%

Download the 8 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of Southeast Fairbanks Census Area extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Southeast Fairbanks Census Area and in the neighboring counties
ZIPIn Southeast FairbanksElsewhere
9973776%Copper River Census Area 24%
9978095%Copper River Census Area 5%
9973858%Yukon-Koyukuk Census Area 42%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Southeast Fairbanks Census Area without a residential area (GeoNames postal codes)
ZIPPostal name
99731Fort Greely

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Southeast Fairbanks Census Area's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Southeast Fairbanks Census Area starts with 997.

Three-digit prefixes of Southeast Fairbanks Census Area's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Southeast Fairbanks Census Area's
PrefixSectional centerHereAll codes
997 Anchorage, AK (SCF 995) 8 82

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.