The 318 area code is located in the state of Louisiana, and according to Intelius data, covers roughly 817,991 phone numbers and 1,154,175 listings across 771 prefixes.
This is a General Purpose Code, in service since January 1, 1957.
Area code 318 is part of an overlay complex shared with:
Local calls within area code 318 require 10 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 318 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) | 131,867 |
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| County Population (2025) | 224,226 |
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| County Population (2025) | 208,466 |
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| County Population (2025) | 27,381 |
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| County Population (2025) | 158,542 |
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