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County ZIP codes · Virginia · FIPS 51133

Northumberland County, VA ZIP Codes

Northumberland County, Virginia has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 3 for PO boxes or a single organization. 6 of the residential ones lie mainly in Northumberland County and 1 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $47,308 in 22482 (Kilmarnock) to $74,051 in 22503 (Lancaster) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Northumberland County?

22432 · Burgess: $56k22435 · Callao: $51k22473 · Heathsville: $68k22482 · Kilmarnock: $47k22503 · Lancaster: $74k22511 · Lottsburg: $49k22539 · Reedville: $89k2247322503224822243522539225112243222432 · Burgess: $56k22435 · Callao: $51k22473 · Heathsville: $68k22482 · Kilmarnock: $47k22503 · Lancaster: $74k22511 · Lottsburg: $49k22539 · Reedville: $89k22473225032248222435225392251122432 · Burgess: $56k22435 · Callao: $51k22473 · Heathsville: $68k22482 · Kilmarnock: $47k22503 · Lancaster: $74k22511 · Lottsburg: $49k22539 · Reedville: $89k224732250322482224352253922511
The residential ZIP codes of Northumberland 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 7 postal town names: Heathsville, Lancaster, Kilmarnock, Callao, Reedville, Lottsburg, Burgess.

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

All 7 residential ZIP codes in Northumberland County

6 ZIP codes lie mainly in Northumberland County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Northumberland County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
22473 Heathsville 5,498 48 $68k $262k 97%
22482 Kilmarnock 3,075 101 $47k $356k 64%
22435 Callao 2,215 87 $51k $187k 93%
22539 Reedville 2,074 123 $89k $411k 100%
22511 Lottsburg 1,239 78 $49k $343k 100%
22432 Burgess 256 81 $56k – 100%

Partly in Northumberland County

Residential ZIP codes mainly in another county that reach at least 1% into Northumberland County, by their share here
In this county
22503 Lancaster 4,296 50 $74k $272k 2%

Download the 10 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 Northumberland County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Northumberland County and in the neighboring counties
ZIPIn NorthumberlandElsewhere
2247397%Lancaster County 3%
225032%Lancaster County 98%
2248264%Lancaster County 36%
2243593%Richmond County 6%; Westmoreland County 1%

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

PO Box and single-organization ZIP codes

ZIP codes in Northumberland County without a residential area (GeoNames postal codes)
ZIPPostal name
22456Edwardsville
22530Ophelia
22579Wicomico Church

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Northumberland County's ZIP codes use 2 prefixes: 224 and 225.

Three-digit prefixes of Northumberland 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 Northumberland County's
PrefixSectional centerHereAll codes
224 Richmond, VA (SCF 230) 5 37
225 Richmond, VA (SCF 230) 5 45

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