DentistDiscoverable field guide
Dental Service Areas: The 20-Area Limit and What It Actually Does
A dental practice in a town of 8,000 people lists 40 service areas on its Google Business Profile. A competitor in the same town lists 6. The practice with 40 does not rank better. It does not rank at all for the towns at the edge of the list, and the extra areas are doing nothing except making the map outline look ambitious.
Google caps service areas at 20. That is the rule, and it is also the tell: a practice listing 40 areas is either using an old profile that has not been cleaned up, or it has never looked at the field. The cap exists because the field is not a ranking tool. Service areas draw a map outline and nothing else. They do not move rankings, they do not expand the radius you rank in, and adding a town does not make you visible in it.
What the field actually does
Service areas tell Google where you travel to serve customers, which matters for a service-area business like a plumber. A dental practice has a fixed address, and Google ranks it from that address and from its reviews, categories, and relevance. The service area field is decorative for a practice. The 20-area limit is generous for the one thing the field is for: listing the towns within about two hours' driving time where your patients actually come from.
The number that matters is the review count and the distance from the searcher. A Local Falcon analysis of 50.4 million local results puts the median dentist in the 3-pack at 346 reviews. That is the benchmark that moves the map, and it is a benchmark against nearby competitors, not a target to buy. A practice with 40 service areas and 12 reviews is invisible in all 40 towns. A practice with 6 service areas and 400 reviews is visible in the towns that matter.
The cleanup
List the towns your patients actually drive from, up to 20, and stop there. Remove the towns you added because a consultant told you to. Remove the towns two hours away that nobody has ever driven from. The outline will shrink, and nothing will change in the rankings, because the field never moved them. What changes is the profile stops lying to Google about where the practice serves, and the next person who audits it does not have to wonder what else is inflated.
Keep reading: Dental GBP Categories: Which Ones Actually Move the Map Pack, Dentist Reviews: How Many Is Enough, and What the Number Actually Means, and The Dental Profile Services Field: What to List and What to Leave Out cover the nearby cases in this series.
Frequently asked questions
How many service areas can a dental practice list?
Google caps service areas at 20. A practice listing more is using an old profile that has not been cleaned up, or has never looked at the field.
Do service areas help a dentist rank in more towns?
No. Service areas draw a map outline and nothing else. They do not move rankings and do not expand the radius you rank in. A practice ranks from its address, reviews, categories, and relevance.
What should a dental practice list as service areas?
The towns your patients actually drive from, within about two hours' driving time, up to 20. Remove towns nobody has ever driven from.
What actually moves a dentist's map ranking?
Review count and distance from the searcher. A Local Falcon analysis of 50.4 million local results puts the median dentist in the 3-pack at 346 reviews.