What city is ZIP code 00544?

00544 is a Holtsville, New York ZIP code.

What county is 00544 in?

ZIP code 00544 is in Suffolk County, New York.

What time zone is ZIP code 00544 in?

00544 is in the Eastern Time zone (America/New_York).

What area code is 00544?

Phone numbers in ZIP code 00544 use area code 631.

Can I use 00544 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Holtsville use a standard ZIP code.

What ZIP codes are near 00544?

The nearest ZIP codes to 00544 are 00501 (Holtsville, 0 miles), 11742 (Holtsville, 0.4 miles), 11738 (Farmingville, 1.5 miles) and 11741 (Holbrook, 1.9 miles).

ZIP code 00544

Where is ZIP code 00544?

Holtsville, New York

Suffolk County · Unique ZIP code

ZIP code 00544 belongs to Holtsville, New York in Suffolk County. 00544 is a unique ZIP code assigned to a single organization (Internal Revenue Service) that gets a lot of mail. It is in the Eastern Time zone and uses area code 631. The closest ZIP codes are 00501 (Holtsville, 0 mi north), 11742 (Holtsville, 0.4 mi southeast) and 11738 (Farmingville, 1.5 mi north).

ZIP code	00544
Type	Unique ZIP code for a single organization
Status	Active
City	Holtsville
State	New York (NY)
County	Suffolk County
Time zone	Eastern Time · now
Area code	631
Coordinates	40.8154, -73.0451 map
3-digit prefix	005

The Census Bureau doesn’t publish population figures for unique 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 00544

ZIP code	City	Distance	Type
00501	Holtsville, NY	0 mi N	Unique
11742	Holtsville, NY	0.4 mi SE	Standard
11738	Farmingville, NY	1.5 mi N	Standard
11741	Holbrook, NY	1.9 mi SW	Standard
11763	Medford, NY	3.1 mi E	Standard
11784	Selden, NY	3.8 mi N	Standard
11720	Centereach, NY	4.3 mi NW	Standard
11779	Ronkonkoma, NY	4.5 mi W	Standard
11715	Blue Point, NY	4.5 mi S	Standard
11755	Lake Grove, NY	4.7 mi NW	Standard
11772	Patchogue, NY	4.8 mi SE	Standard
11705	Bayport, NY	4.9 mi S	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 00544 or measure the distance to another ZIP code.

How to address mail to 00544

JANE SMITH
123 MAIN ST
HOLTSVILLE NY 00544

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (00544-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Holtsville, NY

All Holtsville ZIP codes with population and income →

Questions

What city is ZIP code 00544?: 00544 is a Holtsville, New York ZIP code.
What county is 00544 in?: ZIP code 00544 is in Suffolk County, New York.
What time zone is ZIP code 00544 in?: 00544 is in the Eastern Time zone (America/New_York).
What area code is 00544?: Phone numbers in ZIP code 00544 use area code 631.
Can I use 00544 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Holtsville use a standard ZIP code.
What ZIP codes are near 00544?: The nearest ZIP codes to 00544 are 00501 (Holtsville, 0 miles), 11742 (Holtsville, 0.4 miles), 11738 (Farmingville, 1.5 miles) and 11741 (Holbrook, 1.9 miles).