Caller ID for
Area code 621
Area code 621 Texas
Area code 621 is one of the newer area codes, added in 2025 to Texas. It’s 1:06 AM there now.
- State
- Texas29 area codes in Texas
- Time zone
- Central1:06 AM there now
- Exchanges
- 0
- Overlay
- 281, 346, 713 and 832Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 621 is
History and overlays
621 went into service in 2025, added to the area of 346.
281 (since 1996), 346 (since 2014), 713 (since 1947) and 832 (since 1999) share the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
Calling 621
It’s 1:06 AM Central time in 621 right now.
From elsewhere in the U.S., dial 1, 621 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
Texas has 29 area codes: 210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 621, 682, 713, 726, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972 and 979.
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
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Questions about 621
Where is area code 621?
In Texas.
What time zone is 621 in?
Central time. It was 1:06 AM there when this page loaded.
Is 621 an overlay?
Yes. 281, 346, 713 and 832 serve the same area, so dial all 10 digits for local calls.
Is 621 running out of numbers?
Not on record, and no new exchanges have been needed since 2021.