Interactive fiber maps for carrier routes

The basics

What are fiber maps?

Fiber maps show the physical paths of carrier fiber networks: the metro rings and long-haul routes that carry business traffic, shown on a map you can explore against addresses and lit buildings. They are not the same as a consumer "internet coverage" map, which shows only whether a household service is offered.

Commercial fiber maps are for consultants, MSPs, ISPs and enterprises who need infrastructure visibility. They answer questions a coverage map can't. Which carriers run fiber down this street? How far is the nearest route from my client's building? Is there a second, diverse path for redundancy?

Why it matters

Why fiber maps matter for site qualification

• Qualify sites faster with route context, not just a yes/no result.

• Spot near-net opportunities when a building isn't on-net yet.

• Compare multiple carriers on the same map view.

• Brief clients with a clearer picture than a single carrier's marketing map.

A yes/no availability answer tells you very little when a building isn't lit. Route context shows how close the nearest fiber is, which carriers are nearby and whether a short lateral might be practical. That's the information you need to set honest expectations with a client and pick the right carriers to ask for quotes.

Routes + buildings

Fiber maps plus 5.4M lit buildings

Maps without buildings leave you guessing. Buildings without routes leave you blind to laterals and redundancy. CarrierFinder connects both, putting 3.2M fiber route miles alongside 5.4M fiber lit buildings and 115M serviceable locations in one view.

Start with a building and you can see whether it's on-net. If it isn't, the map shows the routes that pass nearby. Start with a route and you can see which buildings along it are already lit. Either way you get a fuller picture of the market than one carrier's network can show.

How it works

How CarrierFinder fiber maps work

1. Search an address, market or building. Start wherever your project starts.

2. See nearby carrier routes and network context. Metro and long-haul routes appear on the map around your search.

3. Compare route proximity with lit-building data. Check which carriers are on-net, near-net or close by.

4. Turn that insight into a confident next step. Brief the client, shortlist carriers and request pricing.

Comparison

Fiber maps vs. the FCC map

The FCC map: broad reporting

The FCC National Broadband Map is useful for broad availability reporting across the country. It's built for policy and consumer availability questions, not for commercial site qualification.

CarrierFinder: site qualification

CarrierFinder is built for commercial route context and practical site qualification, with carrier routes and lit buildings together. Read more in our guide fiber maps vs. the FCC map.

Use cases

Who uses commercial fiber maps

Telecom agents and consultants use fiber maps to see which carriers can realistically serve a client's sites before they ask for quotes. MSPs use them to plan primary and backup circuits with diverse paths. ISPs and carriers use them to understand where other networks run and where a short build could reach new lit buildings. Enterprise IT teams use them when opening offices, moving data centers or reviewing redundancy across many locations. In every case the goal is the same: replace guesswork with a clear view of real fiber routes.

For MSPs, consultants and agents

Use route and building context to brief clients, qualify opportunities and plan connectivity conversations.

See the product →

Search fiber lit buildings

Check on-net and near-net carriers at any U.S. commercial address.

Search lit buildings →

Carriers: get on the map

Upload lit buildings and KML routes at no cost so qualified buyers and partners can find your network.

Learn more →