Testing Reassigned Number with Magic Numbers

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Warning

Please review the Magic Numbers for Lookup and use your testing credentials for the correct Region when testing phone numbers. If you use your production credentials then the phone numbers do not display the correct responses shown below.

Note: Your testing credentials are region specific so make sure you have selected the region you want to test in the top right corner of the Auth Tokens page of your Console before testing phone numbers.

Reassigned Numbers Magic Numbers

These phone numbers have simulated information for the following inputs which is for testing Reassigned Number feature. To test phone numbers for Reassigned Number, you will be required to enter the phone number and last verified date.

Note: These phone numbers are examples only and do not include real time data. Please do not modify the input parameters (phone number and LastVerifiedDate) because the output parameter will not reflect your changes.

Below are the Phone Numbers for Reassigned Number, along with their Input/Outputs:

These phone number examples show the inputs (phone number and LastVerifiedDate) and their output (IsReassigned).

Phone Number	LastVerifiedDate	IsReassignedNumber
+12345678900	"2022-11-12"	no
+12345678904	"2021-12-27"	yes

These phone number examples show different types of errors when using Reassigned Number.

Value	Error Code
+12345678905	60004
+12345678906	60607
+12345678907	60617
+12345678908	60618

Reassigned Number Lookup

1// Download the helper library from https://www.twilio.com/docs/node/install
2const twilio = require("twilio"); // Or, for ESM: import twilio from "twilio";
3
4// Find your Account SID and Auth Token at twilio.com/console
5// and set the environment variables. See http://twil.io/secure
6const accountSid = process.env.TWILIO_ACCOUNT_SID;
7const authToken = process.env.TWILIO_AUTH_TOKEN;
8const client = twilio(accountSid, authToken);
9
10async function fetchPhoneNumber() {
11  const phoneNumber = await client.lookups.v2.phoneNumbers("4159929960").fetch({
12    fields: "reassigned_number",
13    lastVerifiedDate: "20211015",
14  });
15
16  console.log(phoneNumber.reassignedNumber);
17}
18
19fetchPhoneNumber();

Output

1{
2  "calling_country_code": "1",
3  "country_code": "US",
4  "phone_number": "4159929960",
5  "national_format": "(415) 992-9960",
6  "valid": true,
7  "validation_errors": [],
8  "caller_name": null,
9  "sim_swap": null,
10  "call_forwarding": null,
11  "line_status": null,
12  "line_type_intelligence": null,
13  "identity_match": null,
14  "reassigned_number": {
15    "last_verified_date": "2019-09-24",
16    "is_number_reassigned": "no",
17    "error_code": null
18  },
19  "sms_pumping_risk": null,
20  "phone_number_quality_score": null,
21  "pre_fill": null,
22  "url": "https://lookups.twilio.com/v2/PhoneNumbers/+14159929960"
23}