San Antonio, Texas

ZIP codes in San Antonio

Area codes for San Antonio

• Area code 210

  In service since November 1, 1992. Shares its area with 726. Local calls are dialed with ten digits.

• Area code 726

  In service since October 23, 2017. Shares its area with 210. Local calls are dialed with ten digits.

• Area code 830

  In service since July 7, 1997. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

San Antonio is in the Central Time zone.

Towns near San Antonio

• Olmos Park1.6 km (1.0 mi)
• Alamo Heights3.6 km (2.2 mi)
• Jbsa Ft Sam Houston4.5 km (2.8 mi)
• Jbsa Lackland4.5 km (2.8 mi)
• Terrell Hills5.1 km (3.2 mi)
• Balcones Heights5.7 km (3.5 mi)
• Castle Hills7 km (4.3 mi)
• Kirby11 km (6.8 mi)