Houston Area Code: All 5 Codes (713, 281, 832, 346, 621) Guide (2026)
Complete guide to all Houston area codes — 713, 281, 832, 346, and 621. Learn which codes serve Houston, their history, time zone, and how to identify scam calls from Houston numbers.
The Houston area code isn't one code — it's five. Houston is served by area codes 713, 281, 832, 346, and 621, all covering the same territory across the greater Houston metro area. With approximately 7.3 million people, Houston is one of only a handful of US metro areas that has devoured five phone codes.
Quick Facts
- State: Texas
- City: Houston (4th largest in US)
- Area Codes: 713, 281, 832, 346, 621
- Time Zone: Central Time (CT)
- Metro Population: ~7.3 million
- Original Code: 713 (1947)
- Newest Code: 621 (January 2025)
- Dialing: 10-digit mandatory
Is a Houston Area Code a Scam?
Houston area codes (713, 281, 832, 346, 621) are legitimate codes serving approximately 7.3 million people. However, as the 4th-largest US city, Houston sees significant phone scam activity. Always verify unknown callers. Use our Spam Number Checker to check suspicious numbers.
How to Call Houston Internationally
Dial exit code + 1 + Houston area code (713/281/832/346/621) + 7-digit number. On mobile: +1-713-XXX-XXXX. Use Best Time to Call for Central Time info. Look up any code with our Area Code Lookup. Check our rates.
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