77305

ZIP 77305 is in Conroe, Texas, in Montgomery County; area code 936; Central time. Conroe has 8 ZIP codes in all.

Type: No street area
Time zone: America/Chicago
County: Montgomery
Metro area: Houston-Pasadena-The Woodlands, TX
Coordinates: 30.2906, -95.3832

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 77302, whose figures describe that area — not this ZIP code.

☼ Live from 77305 — Conroe, TX

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Where 77305 is

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This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 77305

🔢 Type 77305 into a pocket calculator and turn it upside down: SOELL — not quite a word, sorry.
➕ As a number, 77,305 = 5 × 15461. Its digits add up to 22, a total 2,607 other ZIP codes share.
💾In binary, the way a computer stores it: 10010110111111001
🏠 Its numerical neighbours: 77304 (Conroe, TX, 8 mi away) and 77306 (Conroe, TX, 4 mi away).
🔄 Backwards, 77305 becomes 50377, which is not a ZIP code at all.
👥 33 other ZIP codes are made of exactly the same digits (05737, 05773, 07735, 07753, 30577, 30757, …). The farthest-flung twin is 05737 in Chittenden, VT, 1,543 miles away.
🧭 Farther south than 92% of all ZIP codes, and farther west than 69%.
🎯683 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 77305 and you would come out at 30.29°S, 84.62°E — 1,476 miles from West Island, Cocos Islands, the nearest big city to that spot.
☀Longest day of the year: 14h 06m of daylight. Shortest: 10h 11m.

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Business and tax activity

Business establishments	53This ZIP53
Employees	679This ZIP679
Annual payroll	$32,489,000This ZIP$32,489,000

Land area

ZIP codes near 77305

ZIP	City	Distance
`77301`	Conroe, TX	3.1 mi
`77306`	Conroe, TX	4.2 mi
`77302`	Conroe, TX	5.3 mi
`77393`	Spring, TX	5.5 mi
`77303`	Conroe, TX	6.0 mi
`77385`	Conroe, TX	7.7 mi
`77384`	Conroe, TX	7.8 mi
`77304`	Conroe, TX	8.3 mi
`77381`	Spring, TX	10.6 mi
`77372`	Splendora, TX	11.0 mi

Find every ZIP code within 10 miles of 77305 →

Questions about this ZIP code

Where is ZIP code 77305?

77305 is in Conroe, Texas, in Montgomery County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 30.2906, -95.3832.

What county is 77305 in?

77305 lies in Montgomery County.

What area code is 77305?

Conroe uses area code 936, from NANPA's telephone records.

What time zone is 77305 in?

77305 uses America/Chicago.

What ZIP codes are near 77305?

The closest are 77301 (3.1 mi), 77306 (4.2 mi), 77302 (5.3 mi), 77393 (5.5 mi) and 77303 (6 mi).

Is 77305 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “77305 ZIP Code — Conroe, Texas (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77305

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/77305.json

Underlying data is public domain or openly licensed — sources, vintages and licences.