What city is ZIP code 08638?

08638 is a Trenton, New Jersey ZIP code. Ewing is also accepted as the city name.

What county is 08638 in?

ZIP code 08638 is in Mercer County, New Jersey.

What time zone is ZIP code 08638 in?

08638 is in the Eastern Time zone (America/New_York).

What area code is 08638?

Phone numbers in ZIP code 08638 use area codes 609 and 640.

What is the population of ZIP code 08638?

About 22,816 people live in ZIP code 08638, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 08638?

The median household income in 08638 is $66,875 a year, lower than 91% of New Jersey ZIP codes.

What ZIP codes are near 08638?

The nearest ZIP codes to 08638 are 08618 (Trenton, 1.4 miles), 08608 (Trenton, 2.1 miles), 08609 (Trenton, 2.1 miles) and 08611 (Trenton, 2.6 miles).

ZIP code 08638

Where is ZIP code 08638?

Trenton, New Jersey

Mercer County · Standard ZIP code

ZIP code 08638 belongs to Trenton, New Jersey in Mercer County. 08638 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 609 and 640. About 22,816 people live in the 08638 area, where the median household income is $66,875. The closest ZIP codes are 08618 (Trenton, 1.4 mi southwest), 08608 (Trenton, 2.1 mi south) and 08609 (Trenton, 2.1 mi southeast).

ZIP code	08638
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Trenton
Also accepted	Ewing
State	New Jersey (NJ)
County	Mercer County
Time zone	Eastern Time · now
Area codes	609, 640
Coordinates	40.251, -74.7627 map
3-digit prefix	086

Population and income in 08638

Population	22,816 · higher than 75% of New Jersey ZIP codes
People per square mile	4,204 · higher than 74% of New Jersey ZIP codes
Median age	35.9 years · lower than 88% of New Jersey ZIP codes
Men / women	47% / 53%
Median household income	$66,875 · lower than 91% of New Jersey ZIP codes
Income per person	$34,445
Below the poverty line	18%
Bachelor’s degree or higher	32% of adults 25+
Median home value	$245,100 · lower than 91% of New Jersey ZIP codes
Median rent	$1,593 a month
Housing units	10,053
Households	9,045 (2.43 people on average)
Owners / renters	58% / 42%
Land area	5.43 sq mi (plus 0.02 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 08638. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 08638

ZIP code	City	Distance	Type
08618	Trenton, NJ	1.4 mi SW	Standard
08608	Trenton, NJ	2.1 mi S	Standard
08609	Trenton, NJ	2.1 mi SE	Standard
08611	Trenton, NJ	2.6 mi SE	Standard
08629	Trenton, NJ	2.7 mi SE	Standard
08628	Trenton, NJ	3 mi W	Standard
08648	Lawrence Township, NJ	3.3 mi NE	Standard
08543	Princeton, NJ	3.4 mi NE	PO Box only
08601	Trenton, NJ	3.4 mi NE	PO Box only
08602	Trenton, NJ	3.4 mi NE	PO Box only
08603	Trenton, NJ	3.4 mi NE	PO Box only
08604	Trenton, NJ	3.4 mi NE	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 08638 or measure the distance to another ZIP code.

How to address mail to 08638

JANE SMITH
123 MAIN ST
TRENTON NJ 08638

Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts EWING as the city name for 08638. Avoid Ewing Township and Ewing Twp: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (08638-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Trenton, NJ

All Trenton ZIP codes with population and income →

Questions

What city is ZIP code 08638?: 08638 is a Trenton, New Jersey ZIP code. Ewing is also accepted as the city name.
What county is 08638 in?: ZIP code 08638 is in Mercer County, New Jersey.
What time zone is ZIP code 08638 in?: 08638 is in the Eastern Time zone (America/New_York).
What area code is 08638?: Phone numbers in ZIP code 08638 use area codes 609 and 640.
What is the population of ZIP code 08638?: About 22,816 people live in ZIP code 08638, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 08638?: The median household income in 08638 is $66,875 a year, lower than 91% of New Jersey ZIP codes.
What ZIP codes are near 08638?: The nearest ZIP codes to 08638 are 08618 (Trenton, 1.4 miles), 08608 (Trenton, 2.1 miles), 08609 (Trenton, 2.1 miles) and 08611 (Trenton, 2.6 miles).