Where is area code 210 located and what state is area code 210?

Area code 210 is located in Texas (United States), covering major cities and regions including San Antonio, Kirby, Alamo Heights, Windcrest, Terrell Hills, Olmos Park, China Grove.

How to call area code 210 and do I need to dial area code 210?

To dial a number in area code 210, format your call as +1 (210) XXX-XXXX. Mandatory 10-digit dialing is required in overlay regions.

Is area code 210 a scam, spam, or dangerous call?

Area code 210 is a legitimate geographic area code for Texas. However, scammers frequently spoof numbers from any area code, so exercise caution with unknown callers.

North American Area CodeCentral / Mountain Time Zone

Area Code 210 Location & Details

Q: What timezone is area code 210?

Area code 210 operates on the Central / Mountain timezone.

State / Region: Texas • Country: United States

Major Cities Covered: San Antonio, Kirby, Alamo Heights, Windcrest, Terrell Hills, Olmos Park, China Grove

Standard Dial Format

+1 (210) XXX-XXXX

Country Code: +1 (NANP Format)

What State is Area Code 210?

TexasState Hub →

Country Territory

United States

210 Area Code Time Zone

Central / Mountain

210 Overlay Codes

726

Area Code 210 Geographic Map

Interactive location bounds and coverage area for Texas (Central / Mountain Timezone)

Lat: 29.47° • Lng: -98.43°

📍 Geographic Center: TexasMap data © OpenStreetMap contributors

Where is Area Code 210 Located?

Telephone area code 210 is assigned to Texas in United States. It serves cities and metropolitan communities including San Antonio, Kirby, Alamo Heights, Windcrest, Terrell Hills, Olmos Park, China Grove.

Historical Context & Area Code Overlay Information:210 serves Texas (United States).

For local and long-distance calls within area code 210, standard 10-digit dialing (210) XXX-XXXX applies.

Who Called Me from Area Code 210?

Received an unknown call, missed call, or text scam from area code 210? Here is how to trace who is calling from 210 area code and verify unknown numbers safely:

Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 210 prefix to boost pick-up rates.

Reverse Phone Lookup Area Code 210:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 210 & Dialing Format

When placing a phone call to a number in area code 210, follow the correct dialing format depending on your calling location:

Calling from inside the US / Canada (+1): Dial 1 + (210) + 7-digit number.
Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 210 + 7-digit number.
Do I need to dial area code 210 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 210

Urban centers, census places, and communities within the +1-210 calling area

7 Major Cities Listed

City Name	County	Population	% of 210 Pop
San Antonio	Bexar County	1,548,422	98.1%
Kirby	Bexar County	8,211	0.5%
Alamo Heights	Bexar County	7,632	0.5%
Windcrest	Bexar County	5,809	0.4%
Terrell Hills	Bexar County	5,215	0.3%
Olmos Park	Bexar County	2,180	0.1%
China Grove	Bexar County	1,149	0.1%

Counties Covered by Area Code 210

Geographic county distribution and population coverage across Texas

County Name	Total Population	% of 210 Area	% of County
Bexar County	2,138,942	100.0%	74%

☎️Area Code 210 Exchange Prefixes & Carriers

Showing 50 of 800 central office 3-digit prefixes and assigned telecom carriers

56% Landline36% Wireless8% VoIP

Prefix	Line Usage	Rate Center	Assigned Carrier	Assign Date
(210) 200-	📞Landline	SANANTONIO	AT&T - LOCAL	N/A
(210) 201-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	10/07/2011
(210) 202-	📱Wireless	SANANTONIO	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	01/18/2012
(210) 203-	📞Landline	SANANTONIO	AMERICAN MESSAGING SERVICES, LLC	N/A
(210) 204-	📱Wireless	SANANTONIO	T-MOBILE USA, INC.	03/10/2004
(210) 205-	📞Landline	SANANTONIO	AMERICAN MESSAGING SERVICES, LLC	N/A
(210) 206-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 207-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 208-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 209-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	09/05/2007
(210) 210-	📞Landline	SANANTONIO	USFON, INC. - TX	01/06/2023
(210) 211-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(210) 212-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 213-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 214-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	03/20/2007
(210) 215-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 216-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 217-	📞Landline	SANANTONIO	AMERICAN MESSAGING SERVICES, LLC	N/A
(210) 218-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 219-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 220-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 221-	📞Landline	SANANTONIO	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	11/06/2003
(210) 222-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 223-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 224-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 225-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 226-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 227-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 228-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 229-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 230-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 231-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 232-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	10/31/2002
(210) 233-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 234-	📞Landline	SANANTONIO	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	03/18/2003
(210) 235-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 236-	📞Landline	SANANTONIO	TELEPORT COMMUNICATIONS AMERICA, LLC - TX	11/20/2010
(210) 237-	📞Landline	SANANTONIO	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	06/24/2004
(210) 238-	📱Wireless	SANANTONIO	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	03/25/2011
(210) 239-	📞Landline	SANANTONIO	FOREMOST TELECOMMUNICATIONS CORPORATION - TX	11/21/2006
(210) 240-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 241-	📱Wireless	SANANTONIO	NEW CINGULAR WIRELESS PCS, LLC - IL	N/A
(210) 242-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 243-	📱Wireless	SANANTONIO	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	04/21/2011
(210) 244-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 245-	📱Wireless	SANANTONIO	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	07/18/2011
(210) 246-	📞Landline	SANANTONIO	SOUTHWESTERN BELL	N/A
(210) 247-	📞Landline	SANANTONIO	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	N/A
(210) 248-	📞Landline	SANANTONIO	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	N/A
(210) 249-	📞Landline	SANANTONIO	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	N/A

Frequently Asked Questions about Area Code 210

Where is area code 210 located?

Area code 210 is located in Texas (United States), serving cities like San Antonio, Kirby, Alamo Heights, Windcrest, Terrell Hills, Olmos Park, China Grove.