Area code 734
Telephone area code for southeast Michigan, United States
title: "Area code 734" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["telecommunications-related-introductions-in-1997", "area-codes-in-the-united-states", "area-codes-in-michigan"] description: "Telephone area code for southeast Michigan, United States" topic_path: "engineering" source: "https://en.wikipedia.org/wiki/Area_code_734" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Telephone area code for southeast Michigan, United States ::
::figure[src="https://upload.wikimedia.org/wikipedia/commons/0/0f/MI_area_code_734.png" caption="Michigan numbering plan areas with 734 highlighted."] ::
Area code 734 is a telephone area code in the North American Numbering Plan (NANP) in southeast Michigan. It was created in 1997 in an area code split of 313.{{cite web |url=https://www.nanpa.com/sites/default/files/planning_letters/PL-066.pdf |title=NANP-Split of 313 (Michigan) Numbering Plan Area (NPA) |date=1997-05-30 |access-date=2025-11-02
In October 2025, the North American Numbering Plan Administrator projected that the area code will exhaust in the first quarter of 2040.{{cite web |title=2025-2 NRUF and NPA Exhaust Analysis |url=https://www.nanpa.com/sites/default/files/2025-10/2025-2NPAExhaustProjectionsFinal.pdf |date=2025-10-31 |access-date=2025-11-02
References
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