what area code is 35673
35673 is located in the state of Alabama in the Hunstsville metro area. Zip code 35673 is primarily located in Lawrence County. Portions of 35673 are also located in Morgan County.The official postal service name used for 35673 is TRINITY, Alabama. Portions of the 35673 zip code are contained within or border the city limits of Trinity, AL, Decatur, AL, .The 35673 area code is 256. 35673 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Alabama.he official postal service name used for 35673 is TRINITY, Alabama. Portions of the 35673 zip code are contained within or border the city limits of Trinity, AL, Decatur, AL, .