This insurance company is vast and is servicing all 50 states including P.R , DC it began in 1966 after a series of mergers of dental organizations. My experience with deltal dental is mixed because while almost every dentist accepts delta dental most have a negative word to say to you about it and it's embarrassing! Especially 32bj delta dental. My experience has been dentist asking for upfront money and credit card information before any service. And dentist are not shy to tell you they don't trust delta dental. While my experience has been in NY I'm not sure about other states. read more