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County ZIP codes · Georgia · FIPS 13131

Grady County, GA ZIP Codes

Grady County, Georgia has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 1 for PO boxes or a single organization. 3 of the residential ones lie mainly in Grady County and 3 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $50,460 in 31792 (Thomasville) to $54,639 in 39897 (Whigham) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Grady County?

31773 · Ochlocknee: $80k31779 · Pelham: $48k31792 · Thomasville: $51k39827 · Cairo: $61k39828 · Cairo: $54k39897 · Whigham: $55k31792398283177939897317733982731773 · Ochlocknee: $80k31779 · Pelham: $48k31792 · Thomasville: $51k39827 · Cairo: $61k39828 · Cairo: $54k39897 · Whigham: $55k31792398283177939897317733982731773 · Ochlocknee: $80k31779 · Pelham: $48k31792 · Thomasville: $51k39827 · Cairo: $61k39828 · Cairo: $54k39897 · Whigham: $55k317923982831779398973177339827
The residential ZIP codes of Grady County (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 5 postal town names: Thomasville, Cairo, Pelham, Ochlocknee, Whigham.

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

All 6 residential ZIP codes in Grady County

3 ZIP codes lie mainly in Grady County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Grady County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
39828 Cairo 15,423 114 $54k $138k 100%
39827 Cairo 4,730 68 $61k $158k 100%
39897 Whigham 3,507 26 $55k $142k 92%

Partly in Grady County

Residential ZIP codes mainly in another county that reach at least 1% into Grady County, by their share here
In this county
31779 Pelham 8,599 63 $48k $112k 33%
31792 Thomasville 22,962 109 $51k $203k 29%
31773 Ochlocknee 3,981 47 $80k $196k 19%

Download the 7 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?

4 ZIP codes of Grady County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Grady County and in the neighboring counties
ZIPIn GradyElsewhere
3179229%Thomas County71%
3177933%Mitchell County65%; Thomas County2%
3177319%Thomas County79%; Colquitt County2%
3989792%Decatur County8%

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

PO Box and single-organization ZIP codes

ZIP codes in Grady County without a residential area (GeoNames postal codes)
ZIPPostal name
39829Calvary

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Grady County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Grady County's ZIP codes use 2 prefixes: 317 and 398.

Three-digit prefixes of Grady County'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 Grady County's
PrefixSectional centerHereAll codes
317Tallahassee, FL (SCF 323)363
398Tallahassee, FL (SCF 323)434

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