What is the telephone area code for Delta State Nigeria?

Warri, Delta, is in area code 053.

Sapele, Delta, is in area code 054.

Agbor, Delta, is in area code 055.

Asaba, Delta, is in area code 056.

In international format, replace the leading 0 of the area code with country code +234.

(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, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)