What city is ZIP code 06504?

06504 is a New Haven, Connecticut ZIP code.

What county is 06504 in?

ZIP code 06504 is in New Haven County, Connecticut.

What time zone is ZIP code 06504 in?

06504 is in the Eastern Time zone (America/New_York).

What area code is 06504?

Phone numbers in ZIP code 06504 use area code 203.

Can I use 06504 for a street address?

No. 06504 is only for PO Boxes. Street addresses in New Haven use 06510, 06511, 06513.

What ZIP codes are near 06504?

The nearest ZIP codes to 06504 are 06408 (Cheshire, 0 miles), 06493 (Wallingford, 0 miles), 06494 (Wallingford, 0 miles) and 06537 (New Haven, 0 miles).

ZIP code 06504

Where is ZIP code 06504?

New Haven, Connecticut

New Haven County · PO Box only ZIP code

ZIP code 06504 belongs to New Haven, Connecticut in New Haven County. 06504 is a PO Box only ZIP code: it is used for post office boxes at the New Haven post office, not for street addresses. It is in the Eastern Time zone and uses area code 203. The closest ZIP codes are 06408 (Cheshire, 0 mi north), 06493 (Wallingford, 0 mi north) and 06494 (Wallingford, 0 mi north).

ZIP code	06504
Type	PO Box only (no street delivery)
Status	Active
City	New Haven
State	Connecticut (CT)
County	New Haven County
Time zone	Eastern Time · now
Area code	203
Coordinates	41.3657, -72.9275 map
3-digit prefix	065

The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.

ZIP codes near 06504

ZIP code	City	Distance	Type
06408	Cheshire, CT	0 mi N	Unique
06493	Wallingford, CT	0 mi N	Unique
06494	Wallingford, CT	0 mi N	Unique
06537	New Haven, CT	0 mi N	Unique
06538	New Haven, CT	0 mi N	Unique
06514	Hamden, CT	0.5 mi SW	Standard
06517	Hamden, CT	1.4 mi SE	Standard
06495	Wallingford, CT	2.9 mi NE	Unique
06518	Hamden, CT	3.2 mi N	Standard
06515	New Haven, CT	3.2 mi SW	Standard
06511	New Haven, CT	3.3 mi S	Standard
06473	North Haven, CT	3.8 mi E	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 06504 or measure the distance to another ZIP code.

How to address mail to 06504

JANE SMITH
PO BOX 123
NEW HAVEN CT 06504

Put the city, the two-letter state code and the ZIP code on the last line. Avoid N Haven: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (06504-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in New Haven, CT

All New Haven ZIP codes with population and income →

Questions

What city is ZIP code 06504?: 06504 is a New Haven, Connecticut ZIP code.
What county is 06504 in?: ZIP code 06504 is in New Haven County, Connecticut.
What time zone is ZIP code 06504 in?: 06504 is in the Eastern Time zone (America/New_York).
What area code is 06504?: Phone numbers in ZIP code 06504 use area code 203.
Can I use 06504 for a street address?: No. 06504 is only for PO Boxes. Street addresses in New Haven use 06510, 06511, 06513.
What ZIP codes are near 06504?: The nearest ZIP codes to 06504 are 06408 (Cheshire, 0 miles), 06493 (Wallingford, 0 miles), 06494 (Wallingford, 0 miles) and 06537 (New Haven, 0 miles).