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Location Routing Number (LRN) API - Phone Number Lookup)
Location Routing Number (LRN) API - Phone Number Lookup)

You can clean your contact database of unwanted phone numbers. This article explains the Location Routing Number (LRN) API.

Laarni D avatar
Written by Laarni D
Updated over a week ago

Overview of LRN

Aloware LRN (Location Routing Number) is used to identify the phone numbers that are added/ imported to Aloware as landline, wireless, VoIP, or other. Read more about Phone Identifiers.

When you import contacts into Aloware (or add them one by one or through integrations), Aloware automatically checks the phone number type and saves that information for later usage.

A $0.002 (two-tenth of a cent) is charged for any LRN lookup

Screenshot of Number Lookup API page

What is the Number Lookup API used for?

Aloware internally uses the LRN data to figure out who is a mobile customer from landlines. You can see the identifier in all the contacts. This information is extremely helpful to improve the SMS marketing campaign's conversions and delivery rates.

  • A good error rate is typically in the range of 0-6%

  • A good opt-out rate is typically in the range of 0-0.3%

Screenshot of a Contact with phone identifier

How can we enable/ disable the LRN feature?

We strongly recommend using the LRN feature to prevent undeliverable messages. If a number is a landline or 'spam likely', Aloware won't try to send a message.

To enable or disable this feature, you need to contact our support team to assist you.

When we create your account, by default, LRN is enabled to avoid compliance issues in the future.

Can you look up who this number belongs to?

We do have another API that can be used for that purpose. The API data is provided by Twilio (documentation).

Where is the API documentation?

You can view your API docs along with your account’s token (API Key) by going to the Integrations menu and clicking on the “Number Lookup API” tab. The API key is unique to your user account on Aloware, meaning other Admin users have their own keys.

  • Navigate to Integration menu > Number Lookup API tab

  • Paste the number here and click the Lookup button

  • Aloware provides the following information

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