NAP Consistency: Why Your Business Name, Address, and Phone Matter for Local SEO
Businesses with consistent NAP information get 23% more website clicks from Google. Yet most small businesses have inconsistent information scattered across the web - and don't even know it.
Here's a scenario: You search for "Joe's Pizza Chicago" and find three different phone numbers, two addresses, and the business listed as both "Joe's Pizza" and "Joe's Pizzeria."
Would you trust that business? Would you know which number to call?
Neither would Google. And neither would Siri, Alexa, or ChatGPT.
This is the NAP consistency problem, and it's silently hurting thousands of local businesses - not just in traditional search, but in voice search and AI-powered results too.
What Is NAP?
NAP stands for:
- Name
- Address
- Phone Number
These are the basic identifying details of your business. They appear on your website, Google Business Profile, social media, directories, review sites, and anywhere else your business is listed online.
Why NAP Consistency Matters
For Search Engines
Google's job is to provide accurate information. When it finds conflicting information about your business, it has a problem:
- Which phone number is correct?
- Is this the same business or two different ones?
- Can we trust any of this information?
Inconsistency creates uncertainty. Google responds by being less confident in your business, which means lower rankings.
For Customers
Imagine a customer finds your old phone number on Yelp, calls it, and gets a disconnected message. Or they drive to an address from an old Yellow Pages listing that you vacated two years ago.
Frustrated customers don't become paying customers.
For Local SEO
Local search algorithms use citations (mentions of your business across the web) as ranking signals. But they only help if the information is consistent.
Think of each citation as a vote for your business. Inconsistent citations are like votes that don't count - or worse, votes that work against you.
For Voice Search and AI
This is increasingly important in 2026. When someone asks Siri "find a plumber near me" or asks ChatGPT for business recommendations:
- Voice assistants read from your NAP data - If your information is inconsistent, you may not be read aloud at all
- AI tools aggregate from multiple sources - Inconsistencies create confusion about which information is correct
- Zero-click searches depend on structured data - Google's AI Overviews and voice results pull directly from verified NAP information
With voice searches growing and AI-powered results becoming the norm, having a single, verified "source of truth" for your business information is more critical than ever. NAP consistency + schema markup = the foundation for appearing in these new search formats.
Common NAP Inconsistencies
Business Name Variations
- "Joe's Pizza" vs. "Joe's Pizzeria" vs. "Joes Pizza"
- "ABC Plumbing LLC" vs. "ABC Plumbing" vs. "ABC Plumbing Co."
- "The Smith Law Firm" vs. "Smith Law Firm"
Address Variations
- "123 Main Street" vs. "123 Main St." vs. "123 Main St"
- "Suite 200" vs. "Ste. 200" vs. "#200"
- With or without the ZIP+4 code
Phone Number Variations
- "(312) 555-1234" vs. "312-555-1234" vs. "3125551234"
- Local number vs. toll-free number
- Old numbers that still exist in directories
How Inconsistencies Happen
Business Changes
- You moved locations but didn't update everywhere
- You got a new phone number
- You rebranded or slightly changed your business name
Different People Managing Listings
- Marketing created the website with one format
- A sales rep claimed Google Business Profile with another
- Someone else submitted to directories years ago
Automatic Directory Listings
Data aggregators collect business information and distribute it to hundreds of directories. If they have old or incorrect data, it spreads everywhere.
No Standard Format
Without a documented standard, people write your information differently each time.
How to Audit Your NAP
Step 1: Define Your Standard
Decide on the exact, official format for your NAP:
Name: Joe's Pizza
Address: 123 Main Street, Suite 200, Chicago, IL 60601
Phone: (312) 555-1234
Write this down. This is your canonical NAP that should appear everywhere.
Step 2: Search for Your Business
Google your business name and location. Look at:
- Google Business Profile
- Yelp
- Yellow Pages
- Better Business Bureau
- Industry-specific directories
- Apple Maps
- Bing Places
Note any inconsistencies.
Step 3: Use Citation Tools
Tools like Moz Local, BrightLocal, or Yext can scan for your business across hundreds of directories and flag inconsistencies.
Even free tools can identify major issues.
Step 4: Check Old Addresses/Numbers
Search for any previous addresses or phone numbers. Old citations often linger for years.
How to Fix NAP Inconsistencies
Priority 1: The Big Four
Fix these first because they have the most impact:
- Your website - Update and standardize
- Google Business Profile - This is what Google trusts most
- Facebook - Major social signal
- Yelp - Important for many industries
Priority 2: Data Aggregators
These companies distribute business data to hundreds of directories:
- Infogroup (Data Axle)
- Acxiom
- Localeze (Neustar)
- Factual (Foursquare)
Fixing your information with aggregators fixes many downstream listings automatically.
Priority 3: Industry-Specific Directories
Depending on your industry:
- Healthcare: Healthgrades, Vitals, Zocdoc
- Legal: Avvo, FindLaw, Justia
- Home Services: Angi, HomeAdvisor, Thumbtack
- Restaurants: OpenTable, TripAdvisor, Grubhub
Priority 4: General Directories
- Yellow Pages
- White Pages
- Better Business Bureau
- MapQuest
- Apple Maps
- Bing Places
How to Update Listings
Claimed listings: Log in and update directly Unclaimed listings: Claim them first, then update Can't claim: Contact the directory and request correction Old/defunct listings: Request removal
Preventing Future Inconsistencies
Document Your Standard NAP
Create a simple document:
OFFICIAL BUSINESS INFORMATION
============================
Business Name: Joe's Pizza
Street Address: 123 Main Street, Suite 200
City: Chicago
State: IL
ZIP: 60601
Phone: (312) 555-1234
Website: https://www.joespizza.com
Share this with anyone who manages your online presence.
Audit Quarterly
Set a calendar reminder to search for your business every 3 months. Catch inconsistencies before they spread.
Be Careful with Changes
When changing your address, phone, or business name:
- Update your website first
- Update Google Business Profile immediately
- Update major directories within 24 hours
- Submit to data aggregators
- Set reminders to check for lingering old data
Use a Consistent Format
Pick one format and stick to it:
- Street vs. St. (pick one)
- (312) vs. 312 (pick one)
- Suite vs. Ste. (pick one)
Consistency matters more than which format you choose.
Schema Markup
Help search engines understand your NAP by adding LocalBusiness schema to your website:
{
"@context": "https://schema.org",
"@type": "LocalBusiness",
"name": "Joe's Pizza",
"address": {
"@type": "PostalAddress",
"streetAddress": "123 Main Street, Suite 200",
"addressLocality": "Chicago",
"addressRegion": "IL",
"postalCode": "60601"
},
"telephone": "(312) 555-1234"
}
This structured data tells Google exactly what your official information is.
Frequently Asked Questions
How exact does matching need to be?
Very exact. "123 Main Street" and "123 Main St." are technically different to search engines. While Google is smart enough to often figure it out, why make it guess?
The goal is eliminating ambiguity. Pick one format and use it everywhere - that's what builds trust with both search engines and AI tools.
Does "LLC" or "Inc." matter?
If it's part of your legal business name and you include it sometimes, be consistent. Either always include it or never include it.
Our recommendation: Use the version that matches your Google Business Profile everywhere else.
What about phone extensions?
List your main line without extensions. If you must include an extension, be consistent in format.
Never use different tracking phone numbers on different directories - this creates the exact NAP inconsistency that hurts your rankings.
How long does cleanup take to affect rankings?
Changes to major citations (Google, Yelp, aggregators) can impact rankings within weeks. For significant improvements across all your listings, expect 3-6 months as changes propagate through data aggregators to downstream directories.
The 23% improvement in website clicks comes from businesses that maintain consistency over time - it's not an overnight fix.
What's the difference between local SEO and regular SEO?
Regular SEO helps your website rank in search results generally. Local SEO specifically helps your business appear in:
- Google's "local pack" (the map results)
- "Near me" searches
- Voice search results
- Google Maps
- Location-specific queries
NAP consistency is specifically a local SEO factor - it helps search engines understand where your business is located and serve it to nearby searchers.
Why is my competitor ranking higher than me in local results?
Common reasons include:
- Better NAP consistency - Their information is identical everywhere
- More quality citations - Listed on more relevant directories
- More reviews - Higher review count and recency
- Closer proximity - They're physically closer to the searcher
- Better Google Business Profile - More complete profile with posts, photos, and responses
Start by auditing your NAP consistency - it's the most controllable factor and often the easiest win.
NAP Consistency Checklist
Audit
- Define your standard NAP format
- Google your business and note inconsistencies
- Check all major directories
- Search for old addresses/phone numbers
Fix
- Update your website
- Update Google Business Profile
- Update Facebook, Yelp, and major directories
- Submit to data aggregators
- Fix industry-specific directories
Maintain
- Document your official NAP
- Audit quarterly
- Update listings immediately when information changes
- Add LocalBusiness schema to your website
The Bottom Line
NAP consistency seems boring compared to other SEO tactics. There's no clever trick here - just accurate information everywhere.
But that's exactly why it works. 46% of all Google searches have local intent - and those searches depend on accurate business data. Most businesses neglect this. They have old phone numbers on Yelp, a different address on Yellow Pages, and their business name spelled three different ways.
Fixing NAP consistency is one of the highest-ROI local SEO activities because:
- It's completely within your control
- Most competitors don't bother
- The impact compounds over time (remember: 23% more clicks)
- It's foundational to voice search and AI visibility
Start with an audit. Pick the three biggest inconsistencies. Fix them. Then keep going.
NAP consistency is just one piece of local SEO. Also focus on optimizing your Google Business Profile, getting more reviews, and building citations on quality directories.
For tools to help maintain NAP consistency automatically, see our Moz Local review. And find the best directories for your specific industry in our citation guide by industry.
For the complete strategy, read our local SEO guide. Or explore our local SEO services to see how we help businesses in Phoenix, Seattle, and across the country get found online.
Need help with your local SEO? Let's talk about improving your online visibility.
