Lookup's Line Type Intelligence package allows you to get the line type of a phone number including mobile, landline, fixed VoIP, non-fixed VoIP, toll-free, and more.
To make a Line Type Intelligence request, add line_type_intelligence to the optional query parameter Fields when making a standard Lookup request.
_10curl -X GET "https://lookups.twilio.com/v2/PhoneNumbers/{PhoneNumber}?Fields=line_type_intelligence" \ -u _10$TWILIO_ACCOUNT_SID:$TWILIO_AUTH_TOKEN
Coverage and Limitations: Worldwide support. Canada requires special approval, please read this support article to learn more. Querying a Canada phone number without access will return a 60601 error.
Release Stage and Access: Public Beta, available via self-service.
The following additional properties are returned for a Line Type Intelligence request.
| Name | Description |
|---|---|
MobileCountryCode | The three digit mobile country code of the carrier, used with the mobile network code to identify a mobile network operator. |
MobileNetworkCode | The two-three digit mobile network code of the carrier, used with the mobile country code to identify a mobile network operator (only returned for mobile numbers). |
CarrierName | The name of the carrier; subject to change. |
Type | The phone number type. See Type property values for more information. |
ErrorCode | The error code, if any, associated with your request. |
Carrier data is not available for phone number types: personal, tollFree, premium, sharedCost, uan, voicemail, pager, or unknown. In these cases MobileCountryCode, MobileNetworkCode, and CarrierName values will be null.
The following are the possible values for the Type property.
| Type | Description |
|---|---|
landline | The phone number is a landline number; generally not capable of receiving SMS messages. |
mobile | The phone number is a mobile number; generally capable of receiving SMS messages. |
fixedVoip | A virtual phone number associated with a physical device (e.g., Comcast or Vonage). |
nonFixedVoip | A virtual phone number that can be obtained on the internet without the need for a physical device (e.g., Google Voice or Enflick). |
personal | A phone number designated for personal use. |
tollFree | A toll-free phone number, which is one where calls are free for the calling party. |
premium | A premium rate phone number, which typically charges higher than normal rates for special services. |
sharedCost | A shared cost phone number, which is one where the charge is partially paid by the calling party and charges higher than normal rates. |
uan | A universal access number, which is a national number which can route incoming calls to different destinations. |
voicemail | A phone number associated with a voicemail service. |
pager | A phone number associated with a pager device. |
unknown | A valid phone number, but the line type could not be determined. |
Valid nonFixedVoip phone number (paid)
The video below shows how to check a phone number's line type with Lookup using Node.js and the Twilio Node Helper Library.