210 Area Code
Covers San Antonio and nearby communities in Texas.
(210) 555-0142Area code 210 map
Interactive coverage map for area code 210, centered on San Antonio, Texas
29.4241, -98.4936
Open in OpenStreetMapArea code 210 coverage map — centered on San Antonio. Shaded area shows the approximate reach around the primary city.
Area code 210 is a telephone area code in Texas, anchored on San Antonio. It reaches roughly 1.4 million people across places such as San Antonio and more. The region observes Central time, so a number like (210) 555-0142 is on that clock right now. On the ground it spans Bexar. It shares its territory with the overlay code 726, which sit on the exact same map. Because the 210 region uses more than one area code, you must dial all ten digits — area code included — even for a local call. You do not, however, need to dial a leading 1 for calls within the US and Canada. On this page you'll find a live local clock for San Antonio, an interactive coverage map, the cities and counties 210 serves, its overlay and neighboring codes, and tips on spotting 210 spam calls.
Cities covered by 210
Cities & neighborhoods
- San Antonio
Nearby & overlay area codes
Overlay codes (same area)
These share 210’s geography — a number in either code can be on the same street.
Neighboring codes
Codes for adjacent regions and metros.
Is a call from 210 a scam?
Because 210 covers a dense metro around San Antonio, it's a common source of both real business calls and spam. Legitimate 210 calls come from local businesses, offices and neighbors; scam calls in this region tend to imitate delivery services, banks and utilities. Remember that caller ID is trivially spoofed — a scammer anywhere can make a 210 number appear on your screen — so the area code alone never proves a call is genuinely local.
Red flags to watch for
- Pressure to act right now, or threats of arrest, fines, or service being cut off.
- Requests to pay with gift cards, wire transfer, crypto, or a payment app.
- Asking for passwords, one-time codes, your SSN, or full card/bank numbers.
- A robocall or recording, or a number that won’t let you call back.
When unsure, hang up and call the organization back on a number you look up yourself.
Calling a 210 number from abroad
Every 210 number is a US/Canada +1 number. From a mobile anywhere, the simplest approach is to dial it in international format:
+1 210 555-0142If your phone can’t dial the +, replace it with your country’s exit code, then 1, then the number:
- UK, Germany, France & most of Europe
00 1 210 555-0142 - Australia
0011 1 210 555-0142 - Japan
010 1 210 555-0142 - Mexico
00 1 210 555-0142
Within the US and Canada you don’t need any of this — just dial the ten digits 210 555-0142.
Reverse phone lookup
Check any US or Canada number to see whether it's a working line, which carrier it sits on, whether it's mobile, landline or VoIP, and roughly where it's registered.
Shows carrier, line type and location. Owner name isn't available here.
Results are for personal, informational use only and may not be used for employment, credit, housing or tenant-screening decisions.
Area code 210: frequently asked questions
Where is the 210 area code located?
The 210 area code is located in Texas, centered on San Antonio. It covers Bexar and nearby communities including San Antonio.
What time zone is 210 in?
Area code 210 is in the Central time zone (UTC-6 (CST) / UTC-5 (CDT)). You can see the exact current local time for San Antonio on the live clock above.
What cities use area code 210?
Cities and areas that use 210 include San Antonio. Its primary city is San Antonio, TX.
Do I need to dial 1 before 210?
For calls within the US, you do not need to dial a leading 1, but you do need all ten digits: 210 plus the seven-digit number. The 210 area requires ten-digit dialing because more than one area code serves it.
Is 210 a toll-free or scam number?
No — 210 is a normal geographic area code for San Antonio, not a toll-free code (toll-free codes are 800, 833, 844, 855, 866, 877 and 888). A 210 number is not inherently a scam, but the code can be spoofed. See the spam-call section above for how to tell.
What are the overlay area codes for 210?
Area code 210 is overlaid by 726, meaning those codes cover the same geographic area.