The 830 area code is located in the state of Texas, and according to Intelius data, covers roughly 354,567 phone numbers and 504,946 listings across 494 prefixes.
This is a General Purpose Code, in service since July 7, 1997.
Area code 830 was split from area code 210.
Local calls within area code 830 require 10 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 830 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County Population (2025) | 53,590 |
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| County Population (2025) | 209,166 |
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| County Population (2025) | 201,111 |
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