many different postal code areas (Forward Sortation Areas — the first 3 characters like L6P, L6R, etc.) Brampton uses, there are about 10 distinct FSA codes assigned to the city of Brampton, Ontario. These include:
Common Brampton FSAs
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L6P
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L6R
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L6S
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L6T
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L6V
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L6W
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L6X
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L6Y
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L6Z
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L7A
Each of these FSAs covers a broad area of the city and within each FSA there can be hundreds or even thousands of complete 6-character postal codes (like “L6P 3B7”). So if you were asking about total specific postal codes (all the 6-character ones), the number is far larger — but for general city addressing, counting the primary FSA prefixes, Brampton has about 10.