Washington Street, Codman Square Postcards Washington Street, Codman Square No. 1047 Postcard. Caption on front: Washington Street, Codman Square, Dorchester, Mass. 105378. Postally unused. On verso: C. T. American Art. Facebook Twitter Print Friendly Skills aerial, Codman Square, Dorchester Posted on November 30, 2022 ← St. Anns School, Neponset View of Neponset River →