What time zone is area code 210 in?

Area code 210 uses Central Time.

What area codes overlay 210?

726 serves the same area as 210. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 210 a scam?

The area code alone doesn’t tell you. Most calls from 210 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 210 number, let it go to voicemail.

When did area code 210 start?

210 went into service in 1992. It was created from area code 512.

Can a 210 number be outside Texas?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 210 caller can be anywhere.

Area code 210

Where is area code 210?

San Antonio, Texas

Local time: … (Central Time)

State	Texas
Country	United States
Main cities	San Antonio
Time zone	Central Time
Overlay area codes	726
In service since	1992 (created from 512)
Assigned prefixes	784
Dialing format	(210) XXX-XXXX · +1 210 XXX XXXX from abroad

Look up a 210 number

Cities and towns in area code 210

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 210.

San Antonio, TX (784)

Phone companies in area code 210

The carriers that hold the most 210 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

Prefixes	Carrier
280	Southwestern Bell (AT&T)
129	New Cingular Wireless PCS (AT&T)
94	T-Mobile USA
54	Verizon Wireless
39	Mcimetro Access Transmission Services
37	Onvoy
21	Level 3 of Telecom of Texas
18	Bandwidth.com CLEC

All 784 prefixes in area code 210

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 210

Questions

Where is area code 210?: Area code 210 is in Texas. It serves San Antonio.
What time zone is area code 210 in?: Area code 210 uses Central Time.
What area codes overlay 210?: 726 serves the same area as 210. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 210 a scam?: The area code alone doesn’t tell you. Most calls from 210 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 210 number, let it go to voicemail.
When did area code 210 start?: 210 went into service in 1992. It was created from area code 512.
Can a 210 number be outside Texas?: Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 210 caller can be anywhere.

Other area codes in Texas

Area code	Main cities
214	Dallas, Grand Prairie and McKinney
254	Waco, Killeen and Temple
281	Houston, Spring and Sugar Land
325	Abilene, San Angelo and Brownwood
346	Houston, Spring and Cypress
361	Corpus Christi, Victoria and Alice
409	Beaumont, Galveston and Texas City
430	Longview, Greenville and Tyler
432	Odessa, Midland and Big Spring
469	Grand Prairie, Dallas and Plano
512	Austin, Georgetown and San Marcos
621	Houston, Spring and Katy
682	Arlington, Fort Worth and Weatherford
713	Houston, Pasadena and Spring
737	Austin, Georgetown and Bastrop
806	Lubbock, Amarillo and Plainview
817	Fort Worth, Arlington and Hurst
830	New Braunfels, Del Rio and Seguin
832	Houston, Spring and Richmond
903	Tyler, Longview and Texarkana
915	El Paso, Clint and Canutillo
936	Conroe, Lufkin and Huntsville
940	Wichita Falls, Denton and Decatur
945	Grand Prairie, Dallas and Frisco
956	Laredo, Brownsville and McAllen
972	Dallas, Grand Prairie and Irving
979	Bryan, Angleton and Freeport