Area codes in Slidell, Louisiana
Slidell, Louisiana uses area code 985. The main Slidell area code is 985.
Area codes serving Slidell
Phone numbers in Slidell are written as ten digits — for example (985) 555-0190 — and fall in the Central Time zone.
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Nearby cities
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Frequently asked questions
What is the area code for Slidell?
The main area code for Slidell, Louisiana is 985.
How many area codes does Slidell have?
Slidell has 1 area code: 985.
How do you dial a Slidell number?
Dial all 10 digits — the area code (985) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.