How to utilise Number Lookup for Number Validation and What It Is?

Number Lookup, often referred to as HLR (Home Location Register) lookup, is a specific type of telecommunications service that dynamically makes contact with an operator-maintained central database that has information on every mobile subscriber permitted to access the GSM core network. Learn how to do Phone Number Search

Number search inquiries have been effective in marketing and programmes based on mobile phone numbers in recent years. Businesses have utilised them to automatically verify the authenticity and condition of mobile numbers stored in their databases, enabling them to streamline various procedures and cut expenses.

Each phone number has identifying information that sets it apart from all other phone numbers worldwide. The information regarding MCC (mobile country code), MNC (mobile network code), and MSIN (mobile subscription identification number) is first contained in the fifteen-digit IMSI (International Mobile Subscriber Identity).

The country code for the number (which is 219 in Croatia) appears in the first three digits of the IMSI. The network, in this example T-Mobile Croatia, is identified by the next two numbers, 01s. The last ten numbers are the MSIN, a unique 10-digit number that any provider can use to identify a customer’s mobile phone.

Second, MNP (mobile number portability), or determining if a mobile number is ported or not, is something Number Lookup assists with. It is common for a mobile network provider’s subscriber to switch to another provider while retaining their previous number. That happens on a regular basis in nearly every nation on the planet.

Thirdly, you may determine if a phone number is in roaming mode by using Number Lookup. When it comes to safeguarding your clients’ accounts and stopping fraudulent activity, this may be quite important.

Lookup Numbers: Sync vs. Async

Number Lookups can be completed in two ways: synchronous and asynchronous. Synchronous lookups require waiting for each search to be completed, while asynchronous lookups use a client-defined notifyURL. Asynchronous lookups don’t require waiting for each request to be fulfilled, and users can submit as many as they like. Once received, they receive a notification on their notifyURL, which can be a bulk list or individual numbers. This is useful for databases with multiple databases or large phone number databases.

Preserve time for reaction

Synchronous REST HTTP API for number lookups sends answers after each request, causing delays due to limited mobile provider capacity. Asynchronous APIs offer real-time notifications, but require a call-back server, making integration difficult and requiring security measures.

Number Lookup is a tool used to identify unused or inactive numbers in a user’s database. It helps businesses optimize SMS and voice messages, identify roaming numbers, and prevent ATM frauds. Infobip offers three packages: Database Cleaning, Portability, and Roaming. It helps businesses understand user behavior and phone numbers, allowing for personalized services. Number Lookup works using an API, with synchronous and async types. It helps businesses understand mobile subscribers’ usage and network networks, improving accuracy and cost-effectiveness.

 

 

 

By Erick Hunt
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