NAP Consistency: What It Is and How to Audit It

Why NAP matters in 2026

Your business details live in many places at once: Google, Bing Places, Apple Business Connect, Yelp, Facebook, industry sites and data suppliers that feed dozens of apps. They copy from each other. When one source is wrong, the error spreads.

Three things go wrong when NAP does not match:

1. Customers act on the wrong details. An old phone number on Yelp is a lost call. An old address in Apple Maps is a lost visit and often an angry review.
2. AI assistants repeat what they find. When someone asks ChatGPT, Copilot or Siri for your hours or address, the answer comes from listings and your website. If those disagree, the assistant may pick the wrong one.
3. Your location data is harder to trust. Google ranks local results on relevance, distance and prominence (Google). Consistent details across the web are part of being a clearly known, real business.

Some guides overstate this: tiny differences like "St" vs "Street" do not confuse Google. Wrong phone numbers, old addresses and duplicate listings do real damage. Fix those first.

What counts as a mismatch

*BrightSmile Dental is a fictional example.*

How to audit NAP in 30 minutes

Step 1: Write your canonical NAP. Decide the exact format once: name as on your sign, full address with suite, one phone number, one website URL. Example: BrightSmile Dental, 1200 Example Ave, Suite 200, Austin, TX 78701, (512) 555-0142, brightsmile-dental.com.

Step 2: Check your own website first. Your footer, contact page and location pages should show the canonical NAP as text (not an image), and the phone should be a tap-to-call link. If you use LocalBusiness structured data, the address and phone in it should match too.

Step 3: Search for every version of you. Run these Google searches:

• "512 555 0142" (your phone, in quotes)
• "BrightSmile Dental" Austin
• your old address and old phone number, in quotes

Note every listing on the first 2 pages of results.

Step 4: Check the core sources by hand. Google Business Profile, Bing Places, Apple Business Connect, Facebook, Yelp, BBB and the 2 or 3 directories that rank for your main service in your city.

Step 5: Log each listing. The NAP audit sheet in our checklist does the comparison for you: type your canonical NAP once, paste what each listing shows, and it marks each field Match, Check or Fix. Phone numbers are compared by digits only, so punctuation does not raise false alarms.

Step 6: Fix in order of impact. Wrong phone and old address first, then duplicates, then names, then formatting. Use each site's claim process; most directories let you edit after you verify by phone or email.

After a move or a new phone number

A move is when NAP breaks most. In the first week:

1. Update Google Business Profile, Bing Places and Apple Business Connect.
2. Update your website footer, contact page and structured data.
3. Update Facebook, Yelp, BBB and your industry sites.
4. Search your old address and old phone in quotes every month for 3 months and fix what is still out there.

Keep the old phone number forwarding for as long as you can; old listings will keep sending calls to it.

Do I need a paid listing tool?

Not for one or two locations. A spreadsheet and an afternoon cover it. Paid tools help when you manage many locations or want to push one update to many directories at once. Whatever you use, re-check twice a year: directories pull data from each other and old errors come back.

What SEOmatic does here (and does not)

SEOmatic can crawl your contact and location pages and compare the name, address and phone on them with the details you give it, then draft fixes to your website for your approval. It does not edit Google Business Profile or directory listings. Connect SEOmatic in your AI assistant: https://seomatic.ai/mcp