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County ZIP codes · Virginia · FIPS 51131

Northampton County, VA ZIP Codes

Northampton County, Virginia has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 5 for PO boxes or a single organization. Median household income ranges from $48,712 in 23350 (Exmore) to $62,500 in 23310 (Cape Charles) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Northampton County?

23307 · Birdsnest: –23310 · Cape Charles: $63k23316 · Cheriton: $74k23347 · Eastville: $147k23350 · Exmore: $49k23354 · Franktown: $206k23398 · Jamesville: –23405 · Machipongo: $60k23408 · Marionville: –23413 · Nassawadox: $56k23486 · Willis Wharf: $93k2331023405233502334723307234132335423307 · Birdsnest: –23310 · Cape Charles: $63k23316 · Cheriton: $74k23347 · Eastville: $147k23350 · Exmore: $49k23354 · Franktown: $206k23398 · Jamesville: –23405 · Machipongo: $60k23408 · Marionville: –23413 · Nassawadox: $56k23486 · Willis Wharf: $93k2331023405233502334723307234132335423307 · Birdsnest: –23310 · Cape Charles: $63k23316 · Cheriton: $74k23347 · Eastville: $147k23350 · Exmore: $49k23354 · Franktown: $206k23398 · Jamesville: –23405 · Machipongo: $60k23408 · Marionville: –23413 · Nassawadox: $56k23486 · Willis Wharf: $93k233102340523350233472330723413
The residential ZIP codes of Northampton 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 11 postal town names.

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

All 11 residential ZIP codes in Northampton County

Residential ZIP codes mainly in Northampton County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
23310 Cape Charles 5,031 77 $63k $377k 100%
23350 Exmore 2,983 91 $49k $171k 100%
23405 Machipongo 1,237 48 $60k $342k 100%
23413 Nassawadox 776 104 $56k $197k 100%
23307 Birdsnest 701 84 – $206k 100%
23347 Eastville 502 47 $147k – 100%
23354 Franktown 433 68 $206k $519k 100%
23486 Willis Wharf 278 790 $93k – 100%
23316 Cheriton 91 166 $74k $228k 100%
23398 Jamesville 27 21 – – 100%
23408 Marionville no residents 0 – – 100%

Download the 16 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).

PO Box and single-organization ZIP codes

ZIP codes in Northampton County without a residential area (GeoNames postal codes)
ZIPPostal name
23313Capeville
23419Oyster
23429Seaview
23443Townsend
23482Wardtown

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Northampton County's ZIP codes use 2 prefixes: 233 and 234.

Three-digit prefixes of Northampton 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 Northampton County's
PrefixSectional centerHereAll codes
233 Norfolk, VA (SCF 233) 8 38
234 Norfolk, VA (SCF 233) 8 63

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