In 1920, the Webb County Council (#700) formed. In 1924, the Laredo Council formed, merging into Webb County Council in 1922. In 1925, Webb County Council changed its name to the Aztec Council (#700) in 1927. In 1933, the Aztec Council (#700) merged into Gulf Coast Council. In 1929, the Gulf Coast Council (#577) formed. In 1924, the Nueces Valley Council formed, merging into Gulf Coast Council in 1929.