Phone Check

Validate phone numbers, detect type (mobile/landline), and normalize to standard formats.

Method: phoneCheck

API KeyNot set

Stored in localStorage — never sent to this site.

Parameters

Phone Number *

Country Code

Expected Format — optional —E164 (+491796862470)INTERNATIONAL (+49 179 6862470)NATIONAL (0179 6862470)RFC3966 (tel:+49-179-6862470)

Request Preview

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "phoneCheck",
  "params": {}
}

Set an API key above to enable live requests.

Parameters

Field	Required	Type	Description
phone	Yes	String	Phone number to validate
countryCode	No	String	ISO country code for local numbers (e.g. DE)
format	No	String	Expected format: E164, INTERNATIONAL, NATIONAL, RFC3966

Response

{
  "result": {
    "original": {
      "phone": "09316639839"
    },
    "predictions": [
      {
        "phone": "+4993166398390",
        "formatNational": "0931 66398390",
        "formatInternational": "+49 931 66398390",
        "formatE164": "+4993166398390",
        "formatRFC3966": "tel:+49-931-66398390",
        "region": "Würzburg",
        "carrier": "",
        "countryPrefix": "+49",
        "nationalNumber": "93166398390",
        "nationalPrefix": "0931",
        "nationalBody": "66398390",
        "leadingZeros": 1
      }
    ],
    "status": [
      "phone_is_fixed_line",
      "phone_needs_correction"
    ]
  }
}

Status Codes

Code	Meaning
phone_correct	Phone number is valid and matches expected format
phone_needs_correction	Normalized number available in predictions
phone_invalid	Cannot parse this number
phone_is_mobile	Mobile/cell number
phone_is_fixed_line	Landline number
phone_is_unknown_type	Type cannot be determined
phone_hlr_lookup_succeeded	Number is active (HLR lookup)
phone_hlr_lookup_failed	Number is inactive or unreachable
phone_format_e164	Input was in E164 format
phone_format_international	Input was in international format
phone_format_national	Input was in national format
phone_format_rfc3966	Input was in RFC3966 format

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "phoneCheck",
  "params": {
    "phone": "+491796862470",
    "countryCode": "DE",
    "format": "E164"
  }
}