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Area code 830 is the telephone area code in the North American Numbering Plan (NANP) for the Texas Hill Country and most of San Antonio's suburbs. It completely surrounds area codes 210 and 726, which serve most of the citry of San Antonio along with its innermost suburbs.
The area code was created on July 7, 1997, in a split from numbering plan area 210. A few outer portions of the city moved to 830, making San Antonio one of the few cities split into multiple numbering plan area. This split occurred only five years after 210 split from 512. San Antonio's rapid growth and the proliferation of cell phones and pagers forced the entire suburban ring around San Antonio to change its numbers for the second time in a decade.
Geographically, the area code serves the north-western portions of South Texas.
Prior to October 2021, area code 830 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. [1]
Counties served by this area code:
Towns and cities served by this area code:
North: 325 | ||
West: 432, Country code 52 in Mexico | area code 830 surrounds 210/726 | East: 512/737, 361 |
South: 361, 956 |