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Area code Verified Nov 1, 2026 · Source: NANPA

Area code 621 – Texas, no numbers issued yet

621 has served Texas since 2025, split from 346. No number blocks have been assigned in it yet, so no one currently has a number in this code. It shares its geography with overlay codes 281, 346, 713, 832, so local calls take all ten digits.

State
Texas
In service since
2025
Time zone
Central
Shares area with
281, 346, 713, 832

Timeline

  1. 2025 621 goes into service, split from or overlaid on 346.
  2. 2026 As of 1 November 2026, no number blocks have been assigned in this code.

More about 621

Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.

Local time Zone, UTC offset, clock changes and a live clock 621 vs 281 Same area, different code – age, capacity and complaints side by side 621 vs 346 Same area, different code – age, capacity and complaints side by side 621 vs 713 Same area, different code – age, capacity and complaints side by side 621 vs 832 Same area, different code – age, capacity and complaints side by side

Frequently asked about 621

What state is area code 621?

Texas. It covers the same area as 281/346/621/713/832.

I got a call from 621 – is it real?

It cannot be a genuine subscriber: NANPA records show no number blocks assigned in 621, so no one has a number in it. A caller ID showing 621 is spoofed.

Do I need to dial 10 digits in 621?

Yes – ten digits for local calls in 621, because it shares its area with another code.

Sources and verification

NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.

Nearby and related

346 Texas281 Texas346 Texas713 Texas832 Texas