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There are at least two area codes in Oyo State. Ibadan is area code 02, and Oyo (city) is area code 038. From outside Nigeria, replace the trunk prefix 0 with country code +234.

Other parts of Oyo State may have other area codes besides those two.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)

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12y ago

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