What city is ZIP code 77001?

77001 is a Houston, Texas ZIP code.

What county is 77001 in?

ZIP code 77001 is in Harris County, Texas.

What time zone is ZIP code 77001 in?

77001 is in the Central Time zone (America/Chicago).

What area code is 77001?

Phone numbers in ZIP code 77001 use area code 713.

Can I use 77001 for a street address?

No. 77001 is only for PO Boxes. Street addresses in Houston use 77002, 77003, 77004.

What ZIP codes are near 77001?

The nearest ZIP codes to 77001 are 77026 (Houston, 1.6 miles), 77028 (Houston, 1.7 miles), 77020 (Houston, 2.6 miles) and 77016 (Houston, 3.1 miles).

ZIP code 77001

Where is ZIP code 77001?

Houston, Texas

Harris County · PO Box only ZIP code

ZIP code 77001 belongs to Houston, Texas in Harris County. 77001 is a PO Box only ZIP code: it is used for post office boxes at the Houston post office, not for street addresses. It is in the Central Time zone and uses area code 713. The closest ZIP codes are 77026 (Houston, 1.6 mi southwest), 77028 (Houston, 1.7 mi northeast) and 77020 (Houston, 2.6 mi south).

ZIP code	77001
Type	PO Box only (no street delivery)
Status	Active
City	Houston
State	Texas (TX)
County	Harris County
Time zone	Central Time · now
Area code	713
Coordinates	29.8131, -95.3098 map
3-digit prefix	770

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 77001

ZIP code	City	Distance	Type
77026	Houston, TX	1.6 mi SW	Standard
77028	Houston, TX	1.7 mi NE	Standard
77020	Houston, TX	2.6 mi S	Standard
77016	Houston, TX	3.1 mi N	Standard
77009	Houston, TX	3.7 mi W	Standard
77093	Houston, TX	3.8 mi NW	Standard
77078	Houston, TX	4 mi NE	Standard
77022	Houston, TX	4.2 mi W	Standard
77029	Houston, TX	4.7 mi SE	Standard
77052	Houston, TX	4.7 mi SW	PO Box only
77201	Houston, TX	4.7 mi SW	Standard
77203	Houston, TX	4.7 mi SW	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 77001 or measure the distance to another ZIP code.

How to address mail to 77001

JANE SMITH
PO BOX 123
HOUSTON TX 77001

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (77001-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Houston, TX

All Houston ZIP codes with population and income →

Questions

What city is ZIP code 77001?: 77001 is a Houston, Texas ZIP code.
What county is 77001 in?: ZIP code 77001 is in Harris County, Texas.
What time zone is ZIP code 77001 in?: 77001 is in the Central Time zone (America/Chicago).
What area code is 77001?: Phone numbers in ZIP code 77001 use area code 713.
Can I use 77001 for a street address?: No. 77001 is only for PO Boxes. Street addresses in Houston use 77002, 77003, 77004.
What ZIP codes are near 77001?: The nearest ZIP codes to 77001 are 77026 (Houston, 1.6 miles), 77028 (Houston, 1.7 miles), 77020 (Houston, 2.6 miles) and 77016 (Houston, 3.1 miles).