Pricing

$1.30 / 1,000 number validateds

Phone Number Validator

Validate and format phone numbers from any country. Check if numbers are valid, identify carrier and line type, determine geographic location, and normalize to E.164 international format.

Pricing

$1.30 / 1,000 number validateds

Rating

0.0

(0)

Developer

junipr

Actor stats

Bookmarked

Total users

Monthly active users

25 days ago

Last modified

Categories

Developer tools

Lead generation

Phone Numbers

phoneNumbers

Optional

List of phone numbers to validate. Accepts any format: E.164 (+14155552671), international (+1 415 555 2671), national ((415) 555-2671), with dashes, dots, parentheses, extensions, or vanity letters (1-800-FLOWERS). Min 1, max 100,000 numbers.

Type:string[]

Default:

[
  "+14155552671",
  "+442079460958",
  "+81312345678"
]

Default Country Code

defaultCountryCode

Optional

ISO 3166-1 alpha-2 country code applied when phone numbers lack a country prefix. Examples: US, GB, JP, DE, AU. Used for numbers like (415) 555-2671 that have no country code.

Type:string

Default:US

Detect Carrier

detectCarrier

Optional

Attempt to detect the carrier/operator for the phone number. Note: carrier detection is limited in the underlying library and may return null for most numbers.

Type:boolean

Default:true

Detect Line Type

detectLineType

Optional

Detect the line type: mobile, landline, VoIP, toll-free, premium-rate, shared-cost, personal, pager, UAN, or short-code. Essential for SMS campaign targeting (mobile only) and fraud prevention (VoIP detection).

Type:boolean

Default:true

Include Timezone

includeTimezone

Optional

Return timezone(s) associated with the phone number's geographic area based on country.

Type:boolean

Default:true

Include Geographic Region

includeGeocode

Optional

Return the country/region name associated with the phone number.

Type:boolean

Default:true

Strict Validation

strictValidation

Optional

When enabled, rejects numbers that parse but are not valid for the detected country's numbering plan (wrong digit count, invalid area code, etc.). When disabled, accepts numbers that parse successfully even if not strictly valid.

Type:boolean

Default:false

Output Format

outputFormat

Optional

Which formatted versions to include in output. 'all' includes E.164, national, international, and RFC3966 formats. 'e164' returns E.164 only (+14155552671). 'national' returns national format only ((415) 555-2671).

Type:string

Default:all

Options:

alle164national

Output Valid Numbers Only

onlyValid

Optional

When enabled, only numbers that pass validation are written to the dataset. Invalid numbers are skipped.

Type:boolean

Default:false

Output Mobile Numbers Only

onlyMobile

Optional

When enabled, only numbers detected as mobile line type are written to the dataset. Useful for SMS campaign targeting.

Type:boolean

Default:false

Max Concurrency

maxConcurrency

Optional

Maximum number of phone numbers to process simultaneously. Higher values process faster but use more memory.

Type:integer

Minimum:1

Maximum:100

Default:50

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