A new study finds that using a local vs. generic caller area code to reach out to English and Spanish-speaking smokers with Medicaid insurance is an effective health equity tool to help smokers quit.

As more area codes begin to run out of new seven-digit numbers to assign, a second local area code may be added, requiring that area to transition to ten-digit dialing.

Sometime later this year, you may get a call from area code 531 and, when you do, don’t hang up — it’ll be a local call.