North American Numbers Source-cited · ownership disclosed
Area code
936
In service
United States · since 2000

Conroe

A single area code for Deep/East Texas (Huntsville, Conroe, Nacogdoches, Lufkin). Split from 409 in 2000.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Conroe
Type
geographic
Status
in service
In service since
2000
Projected exhaust
2067 Q4

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 936 is

Deep East Texas: the Nacogdoches-Huntsville area plus the outer northeast Houston fringe.

Communities served wholly or partly by 936:

HuntsvilleConroeNacogdochesLufkinLivingstonLiberty

Representative; covers a roughly 21-county area.

B · Relationships

How it relates to other codes

The codes 936 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 2000 409 Beaumont 936 was created Feb 19, 2000 in a code-split from 409.
Related · 2000 979 College Station 979 was created from 409 in the same 2000 relief action.
What's changing. Single, non-overlaid area code. Mandatory 10-digit dialing since Oct 24, 2021 (988-driven).
C · History

How 936 got here

2000-02-19
Created by a split from 409, taking the central portion (Nacogdoches/Huntsville region).
Source: Wikipedia (Area code 936)
2021-10-24
Transitioned to mandatory 10-digit dialing (988 rollout).
Source: Wikipedia (Area code 936)
D · Capacity

How full it is

Prefixes assigned
459
Prefixes available
341
Thousands-blocks assigned
2,132

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 936 with another code →
Sources
Wikipedia ↗
Area code 936
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.