621 Area Code
Texas, USA
Local time now · Central Time
2:46 AM
Area code 621 is in Texas, USA, serving Houston. It uses Central Time — the time there now is 2:46 AM. 281, 346, 713 and 832 are overlays for the same area, so local calls need 10-digit dialing. In service since 2025.
| Area code | 621 |
|---|---|
| Location | Texas, USA |
| Major cities | Houston |
| Time zone | Central Time |
| Overlay codes | 281, 346, 713, 832 |
| In service since | 2025 |
| Dialing | 1+10 digit permissible at service provider discretion. |
Other area codes in Texas
210214254325361409430432469512682726737806817830903915936940945956972979
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Frequently asked questions
Where is area code 621?
Texas, USA — including Houston.
What time zone is area code 621?
Central Time.
How do I call a 621 number from abroad?
Dial your international access code, then 1 (the country code), then 621 and the 7-digit number — for example +1 621 555 0100. From the UK or India dial 00 1 621 …; from Bangladesh 00 1 621 … .
Is a call from 621 a scam?
Not by itself — 621 is an ordinary geographic area code in Texas. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.