The 817 area code is located in the state of Texas, and according to Intelius data, covers roughly 1,279,248 phone numbers and 1,828,473 listings across 794 prefixes.
This is a General Purpose Code, in service since January 1, 1953.
Area code 817 is part of an overlay complex shared with:
Local calls within area code 817 require 10 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 817 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) | 2,661,397 |
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| County Population (2025) | 184,767 |
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| County Population (2025) | 2,248,466 |
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