Real-time call routing via Local Routing Numbers

Use LRN information for precise programmatic call rating, routing and billing.
Questions on setup? Talk to our experts
Real-time call routing via Local Routing Numbers
Questions on setup? Talk to our experts

Telnyx is NPAC-authorized for real-time, accurate data.

  • Get Accurate Billing
    LRN is an efficient way to determine exact call routing and billing.
  • Stay Informed
    The Telnyx API updates directly from the NPAC LRN database in real time.
  • Authenticate Your Data
    Get accurate lead authentication information while porting numbers.

Add a layer of intelligence with real-time, programmatic LRN info

  • Real-Time Data

    Porting information is updated in real time from the NPAC LRN database.
  • Extended Information

    Access carrier and number details beyond standard LRN information.
  • Programmatic API

    Data for developers — all our data is delivered via programmatic API.
  • Flexible Access

    Choose how to request data — via HTTP, SIP, DNS ENUM, or XML UDP.

All the information you need at your fingertips

LRN Lookup Send Telnyx a 10-digit phone number and we’ll return the Local Routing Number.

Extended LRN Lookup Use our extended lookup to access additional data:

  • Porting status
  • Wireline, wireless or VoIP
  • Carrier information including OCN, SPID, Name and Type.

Choose Telnyx for easy, accurate LRN lookups.

  • Granular Control
    Configure and customize your phone numbers in real time using the Telnyx Mission Control Portal.
  • Eliminate Downtime
    Schedule your number ports ahead of time for a smooth switchover with no downtime.
  • Subject Matter Experts
    Our team of experts will be there every step of the way to make sure your experience is seamless.
  • Fair and Transparent Pricing
    We offer pay-as-you-go pricing with automatic volume and commitment discounts.
  • Unparalleled 24/7 Support
    Our team of in-house engineers is available around the clock.

Ready to Get Started?

Questions on setup? Talk to our experts