Panasonic

Panasonic KX-TGA710B Call Blocker for Landline Phones

4.1 (929 reviews)

Block up to 16,000 robocallers and telemarketers from your landline with one-touch call blocking and talking Caller ID.

$119.95*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Panasonic KX-TGA710B Call Blocker is a standalone accessory designed to tackle the persistent problem of unwanted calls on landline phones. It comes pre-loaded with a database of 14,000 known robocaller and telemarketer numbers, providing significant protection from the moment it is plugged in. When a call comes through from a number not in the database, the large red button on the front of the unit lets you block and register it instantly, adding it to a custom list that can hold up to 2,000 additional numbers — bringing the total blocking capacity to 16,000 numbers.

Beyond call blocking, the KX-TGA710B adds useful call management features. You can store up to 100 trusted contact numbers, and when one of those contacts calls, a green LED blinks on the unit so you know it is safe to answer. Unknown or unregistered callers trigger a red LED instead. The bilingual talking Caller ID announces the caller's name or number in English or Spanish, allowing you to screen calls without being near the phone. The unit itself has a compact design with an easy-to-read backlit LCD display, fitting neatly beside your cordless phone without taking up counter space. It is an ideal solution for households with cordless phone systems that lack built-in call blocking or have limited blocking capacity.

Key Features

Robocall Blocker - connect to landline cordless phones to block robocalls, unknown International, 00 prefix and other callers; ideal for phones without call Block or limited registration capability

Blocks total 16, 000 telemarketer numbers - includes pre-programmed database of 14, 000 robocaller and telemarketer numbers; can add 2, 000 more manually; when an unknown call comes in, press the red button to block and register the number

Build your own database - store up to 100 numbers of friends, family and others; when a trusted number calls, a green LED blinks on the unit, therefore you can answer the phone with peace of mind; when unknown call, The LED blinks red

Bilingual talking Caller ID – Announce Name or the number of callers, hear who's calling — friend or unknown —from across the room with convenient talking Caller ID Announcements in English or Spanish

Minimal footprint design - fits neatly beside your cordless phone; large red call Block button is easy to push; a bright white, easy-read Backlit LCD clearly shows Caller names or numbers

Specifications

Brand
Panasonic
Model
KX-TGA710B
Total Block Capacity
16,000 Numbers
Pre-Programmed Database
14,000 Robocaller Numbers
Manual Block List
Up to 2,000 Numbers
Trusted Contact List
Up to 100 Numbers
Talking Caller ID
Bilingual (English / Spanish)
Display
Backlit LCD
Compatibility
Cordless Landline Phones

Pros & Cons

👍 Pros

  • Pre-loaded database of 14,000 known robocaller and telemarketer numbers provides immediate protection out of the box
  • One-touch red button makes blocking new unwanted numbers quick and effortless
  • Bilingual talking Caller ID announces callers in English or Spanish so you can screen calls from across the room
  • Trusted contact list of up to 100 numbers with green LED indicator lets you know when a familiar person is calling
  • Compact, minimal-footprint design fits neatly beside your existing cordless phone

👎 Cons

  • Only compatible with cordless landline phones, so it cannot be used with corded phones or VoIP systems
  • The manual block list is limited to 2,000 additional numbers, which may fill up over time
  • Requires Caller ID service from your phone provider to function properly
  • The pre-programmed robocaller database is static and does not update automatically with new spam numbers
  • The trusted contact list holds only 100 numbers, which may not be enough for some households

Frequently Asked Questions

It can block up to 16,000 numbers — 14,000 come pre-programmed in its robocaller database, and you can manually add up to 2,000 more by pressing the red block button when an unwanted call comes in.
It connects to compatible cordless landline phones and sits beside your handset base. It is designed for phones that lack built-in call blocking or have limited call block registration.
A green LED blink means a call is coming from a number on your trusted list of up to 100 stored contacts. A red LED blink indicates the call is from an unknown or unregistered number.
Yes, the bilingual talking Caller ID announces the caller's name or number in either English or Spanish, so you can hear who is calling from across the room.
When an unwanted call comes in, simply press the large red call block button on the unit to immediately block and register that number, adding it to your custom block list.