NAP CONSISTENCY CHECKER
Check if your business Name, Address, and Phone number is consistent across all online citations. Inconsistent NAP data hurts local SEO rankings.
Your Master NAP (Reference)
Enter your official / correct NAP details. All citations below will be compared against this.
Citations to Check
Enter how your NAP appears on each directory or website. Leave fields blank if not listed there.
Consistency Score
Field-by-Field Comparison
Citation Overview
| Source | Name | Address | Phone | Status |
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NAP Consistency Checker — Free Local SEO Tool
Check if your business Name, Address, and Phone number matches across Google Business, Yelp, Apple Maps, Facebook, and every other directory listing. This free NAP consistency checker compares all your citations against your master NAP in one click — no sign-up, no software required.
It is one of the many free local SEO tools available at onlinetoolix. For a broader on-page SEO audit alongside your local citation check, use our meta tag generator to ensure your pages are also optimised for search engines.
What Is a NAP Consistency Checker?
A NAP consistency checker is a local SEO tool that compares your business Name, Address, and Phone number across multiple online directories and citation sources. It identifies mismatches, inconsistencies, and missing fields that could be hurting your local search rankings.
NAP stands for Name, Address, and Phone number — the three core pieces of business information that Google and other search engines use to verify that a business is legitimate and trustworthy. When your NAP data is consistent across the web, search engines gain confidence in your business and reward you with higher local rankings. When it is inconsistent, that trust breaks down.
This NAP consistency checker lets you enter your official master NAP once, then compare it against all your directory listings side by side. You get a consistency score out of 100, a field-by-field breakdown, and specific recommendations for every mismatch found.
Why NAP Consistency Matters for Local SEO
NAP consistency is one of the most important factors in local SEO. Google uses your business information from hundreds of sources across the web to build a picture of your business. If your name appears as "Joe's Plumbing" on Google Business but "Joes Plumbing Services" on Yelp and "Joe's Plumbing Co" on Yellow Pages, Google cannot confidently confirm these are all the same business.
This confusion reduces your local authority and directly impacts where you appear in the Google local pack — the three business listings that appear at the top of local search results. Businesses with clean, consistent NAP data consistently outperform those with scattered or conflicting information.
Beyond Google, inconsistent NAP data affects every local directory that cross-references your information. Data aggregators like Neustar Localeze, Factual, and Acxiom feed business data to hundreds of smaller directories. An error in one source can propagate across dozens of listings automatically.
Local citation audits — checking your NAP across all directories — used to require visiting every directory manually. This NAP consistency checker makes the process instant. Enter your data once and check all your citations in a single step. To understand how Google evaluates local business signals, refer to the official Google guidance on getting on Google.
The Three Components of NAP — Explained
Understanding what each component of NAP means and why it matters helps you keep your business information clean across all sources.
Your official business name exactly as it appears on your signage, registration, and primary listings. The most common NAP consistency issue is using different variations in different places. Pick one official name and use it identically everywhere.
Your complete physical business address including street number, street name, suite or unit number, city, state, and ZIP code. Address inconsistencies often arise from abbreviations — "Street" versus "St", "Suite" versus "Ste". Exact formatting consistency is always the safest approach.
Your primary local business phone number. Using a local number rather than a toll-free number is strongly recommended for local SEO. Each business location should have its own unique local number. Avoid using call tracking numbers as your primary citation phone number.
How to Use This NAP Consistency Checker
Running a full NAP consistency check takes less than five minutes.
Your master NAP is your official, correct business information — the version you want all directories to show. Enter your business name, street address, city, state, ZIP code, and phone number in the Master NAP section at the top.
Eight of the most important citation sources are pre-loaded: Google Business, Apple Maps, Bing Places, Yelp, Facebook, Yellow Pages, Foursquare, and TripAdvisor. For each source, enter exactly how your business name, address, and phone number appear on that directory. Copy and paste directly from each listing for accuracy. Leave fields blank if you are not listed on that directory.
Click Add Citation to add rows for any other directories, industry-specific sites, local chamber of commerce listings, or any other source where your business appears.
The tool compares every field across every citation against your master NAP and calculates your consistency score.
The score card shows your overall consistency score out of 100. The field-by-field comparison shows exactly which sources have name, address, or phone number issues. The citation table gives you a complete overview. The recommendations section tells you exactly what to fix.
Update each inconsistent or missing listing directly on the relevant directory. Then re-run the checker to confirm your score has improved.
The eight pre-loaded citation sources this tool checks by default:
Understanding Your NAP Consistency Score
This NAP consistency checker gives you a score out of 100 based on how many of your citations fully match your master NAP.
Every citation matches exactly. This is the ideal state and signals maximum trust to search engines.
Most citations are correct but a few need attention. Local rankings are likely strong but not maximised.
Multiple issues are present and local rankings may already be affected. Prioritise fixing the major directories first.
Significant inconsistencies that are likely causing measurable ranking losses. A full citation cleanup is needed.
Most citations are wrong or missing, requiring urgent cleanup. Local visibility is severely compromised.
The tool also highlights partial matches separately — cases where your citation is close but not exactly right. Even partial matches should be corrected because exact consistency is what builds the strongest local trust signals.
Common NAP Consistency Issues — and How to Fix Them
The most common NAP consistency problems found during local citation audits fall into a few predictable categories.
Business Name Variations
The most frequent issue. This includes using abbreviations, adding or removing "The" at the beginning of the name, including or excluding legal suffixes like "LLC" or "Ltd", and using different capitalisation. The fix is to choose one definitive version of your business name and update every listing that differs.
Address Format Differences
"123 Main St Suite 4" and "123 Main Street, Suite 4" refer to the same address but look different to automated systems. Decide on one format — spell out Street, Avenue, and Boulevard fully — and apply it consistently.
Phone Number Formatting Differences
Most tools compare digits only, so slight formatting differences are usually harmless. However, using a completely different phone number — a tracking number, a mobile number, or a different location's number — on some listings is a serious NAP consistency problem that must be corrected.
Missing Listings
If your business is not listed on a major directory at all, that is a missed citation opportunity. This checker flags missing fields so you can identify which directories need new listings created.
Old Addresses and Phone Numbers
Old information from before a business move or rebrand is among the most damaging NAP issues. Search engines may continue associating your business with old information for months after a change. When your business moves or changes its phone number, updating every citation source immediately is critical.
Who Should Use a NAP Consistency Checker?
Local business owners use this tool to audit their online presence and identify directories where their information needs updating — particularly after a move, rebrand, or phone number change.
Local SEO professionals and agencies use it during onboarding audits to document all citation inconsistencies before beginning a cleanup campaign. A baseline consistency score makes it easy to demonstrate improvement to clients.
Multi-location businesses use it to check each location separately, ensuring that each branch has clean, unique NAP data across all directories with no cross-contamination between location phone numbers or addresses.
Franchise operators use it to verify that franchisee listings match approved brand NAP formats across Google, Yelp, and Apple Maps.
Anyone who has recently moved, changed their business name, or updated their phone number should run a NAP consistency check immediately to identify every directory that still shows the old information.