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1001

Last active: Monday, September 30, 2024
1001
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Enhanced Search

By enabling Enhanced Search, your contacts are securely shared with Truecaller. This improves accuracy of your search results and helps improve the experience for millions of users around the world.

Your privacy is important to us

Please review below the key points of our privacy policy

Data we process

We process your profile data (name, email, address etc.) and information about your activity on our website including browser information, IP address etc.

How we use your data

We use your data for the purposes set out in our Privacy Policy including:

  • Providing, improving, analyzing and personalizing our services.
  • Complying with laws and protecting the rights or safety of Truecaller and its users.
  • Creating reports using aggregated and anonymized data for statistical and analytical purposes.

The above data is necessary to provide our services.

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Similar names
1001
Similar names

These are the various SMS Sender ID names with route (including operator name and telecom circle code) used by this SMS sender.

1001
Country
Region
SX
Most active in
Country # SMS last 7 days
1 Lesotho 44,112
2 Lebanon 12,257
3 South Africa 5,828
4 Colombia 471
5 Moldova 111
Breakdown
Reported categories
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Related SMS Senders
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Necessary
(Authentication, Security, Preferences, features and services)

These are cookies that are required for the operation of our website and cannot be switched off in our systems. They are usually only set and used in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in to secure areas of our website or filling in forms or making use of e-billing services. Without these cookies services you have asked for (e.g. login) cannot be provided.

Name(s) Provider Purpose Expiry Type
__session Truecaller Stores necessary preferences to provide site functionality. 30 days HTTP
tc:cookies Truecaller Preferences, to store cookie preferences. 1 year HTTP
tc:user Truecaller Preferences, Authentication, to store necessary preferences and session information. Persistant LocalStorage
tc:ipcountry Truecaller Functional, to set default country for search and sign in based on ip. Session SessionStorage
tc:ipregion Truecaller Functional, to suggest language based on country and region. Session SessionStorage
tc:searchcountry Truecaller Functional, to remember last country used in search. Persistant LocalStorage
tc:comments Truecaller Functional, to remember vote status on comments. Persistant LocalStorage
tc:dismisslanguagesuggestion Truecaller Preferences, to store locale suggestion preferences. 1 day HTTP
__cfduid CloudFlare Functional, to identify trusted web traffic. 30 days HTTP
__stripe_mid Stripe Functional, to provide fraud prevention. 1 year HTTP
__stripe_sid Stripe Functional, to provide fraud prevention. 30 minutes HTTP
tc:dismissexitintentpopup Truecaller Preferences, to store exit intent popup dismissal preferences. 3 days HTTP
tc:searches Truecaller Functional, to count and regulate searches. < 24 hours HTTP
tc:dismisspublicationcertificatenotice Truecaller Preferences, to store publication certificate notice dismissal preferences. 7d HTTP
tc:selectedlanguage Truecaller Preferences, to store selected language preferences. 7d HTTP
flutter.current_session_id ZipZip To maintain current user session. Persistant LocalStorage
messages#box ZipZip To maintain the message history. Persistant IndexedDB
firebase-heartbeat-database#firebase-heartbeat-store ZipZip Used in order to detect spam and improve the website's security. Persistent IndexedDB
firebaseLocalStorageDb#firebaseLocalStorage ZipZip Used by Firebase for secure user authentication. Persistent IndexedDB
tc:webpremiumsubscribed Truecaller Preferences, to store web premium promotion dismissal preferences. 7d HTTP
Analytics

We partner with Microsoft Clarity to capture how you use and interact with our website through behavioral metrics, heatmaps, and session replay to improve and market our products/services. Website usage data is captured using first and third-party cookies and other tracking technologies to determine the popularity of products/services and online activity. Additionally, we use this information for site optimisation, fraud/security purposes, and advertising. For more information about how Microsoft collects and uses your data, visit the Microsoft Privacy Statement.

Name(s) Provider Purpose Expiry Type
_clck Microsoft Persists the Clarity User ID and preferences, unique to that site is attributed to the same user ID. 1 year HTTP
_clsk Microsoft Connects multiple page views by a user into a single Clarity session recording. 24 hours HTTP
_cltk Microsoft This cookie is installed by Microsoft Clarity tool and stores information about how visitors use the website Session SessionStorage
CLID Microsoft Identifies the first-time Clarity saw this user on any site using Clarity. 1 year HTTP
ANONCHK Microsoft Indicates whether MUID is transferred to ANID, a cookie used for advertising. Clarity doesn't use ANID and so this is always set to 0. 10 minutes HTTP
MR Microsoft Indicates whether to refresh MUID. 7 days HTTP
MUID Microsoft Identifies unique web browsers visiting Microsoft sites. These cookies are used for advertising, site analytics, and other operational purposes. 390 days HTTP
SM Microsoft Used in synchronizing the MUID across Microsoft domains. Session HTTP
SRM_B Microsoft This cookie is installed by Microsoft Bing. Identifies unique web browsers visiting Microsoft sites. 390 days HTTP
Marketing

Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers.

Name(s) Provider Purpose Expiry Type
CONSENT youtube.com Used to detect if the visitor has accepted the marketing category in the cookie banner. 2 years HTTP
VISITOR_INFO1_LIVE youtube.com Tries to estimate the users' bandwidth on pages with integrated YouTube videos. 179 days HTTP
YSC youtube.com Registers a unique ID to keep statistics of what videos from YouTube the user has seen. Session HTTP
yt-remote-cast-available, yt-remote-cast-installed, yt-remote-connected-devices, yt-remote-device-id youtube.com Stores the user's video player preferences using embedded YouTube video. Persistant HTML
yt-remote-fast-check-period, yt-remote-session-app, yt-remote-session-name youtube.com Stores the user's video player preferences using embedded YouTube video Session HTML
OT2 (6-digit ID) Sizmek Ad Suite (SAS) Advertiser-defined measurement of activity on advertiser website. 90 days HTTP
ActivityInfo2 Sizmek Ad Suite (SAS) Conversion, attribution and ROI measurement. 90 days HTTP
A6 (6-digit Advertiser ID) Sizmek Ad Suite (SAS) Conversion and ad view measurement; ad rotation and ad delivery sequence. 90 days HTTP
eboptout Sizmek Ad Suite (SAS) Interest-based advertising opt-out. 5 years HTTP
F1, S2 Sizmek Ad Suite (SAS) Measurement of search engine (3rd party) conversions, attribution and ROI. 90 days HTTP
TargetingInfo3, G4 (6-digit sID) Sizmek Ad Suite (SAS) Audience engaging/re-engaging based on visits to advertiser’s website. 90 days HTTP
U2 Sizmek Ad Suite (SAS) Pseudonymous advertising ID for browser. 90 days HTTP
C6 (6-digit sID), D4 (6-digit DeliveryGroupID), B6 (6-digit sID, GroupID, AudienceSegmentationID) Sizmek Ad Suite (SAS) Ad view measurement; ad rotation/optimization and ad delivery sequence. 90 days HTTP
Um2 Sizmek Ad Suite (SAS) Cookie syncing. 90 days HTTP
c_*, s_*, Sizmek Ad Suite (SAS) Session cookie used to bridge the impression to the clickthrough when the impression was served without any javascript (such as on incompatible devices, etc.). Session HTTP
cisi_* Sizmek Ad Suite (SAS) Keeps state of the video serving for a given session. Session HTTP
r1, r# Sizmek Ad Suite (SAS) Session cookie that protects the server and the client from redirect loops. Session HTTP
searchsession_* Sizmek Ad Suite (SAS) Session cookie that protects the server from redirect loops, used in conjunction with measuring search events. Session HTTP
ccsession Sizmek Ad Suite (SAS) Session cookie facilitating measurement of search events. Session HTTP
OT_* Sizmek Ad Suite (SAS) Session cookie for advertiser-defined measurement of activity on its website. Session HTTP
_ttp truecaller.com To measure and improve the performance of your advertising campaigns and to personalize the user's experience (including ads) on TikTok 3 months, from the last date it was used HTTP
_ttp .tiktok.com To measure and improve the performance of your advertising campaigns and to personalize the user's experience (including ads) on TikTok 3 months, from the last date it was used HTTP
csrftoken instagram.com CSRF protection token to prevent cross-site request forgery for embedded Instagram videos. Removed when the user closes the video. HTTP
ig_did instagram.com Device identifier for tracking user sessions for embedded Instagram videos. Removed when the user closes the video. HTTP
mid instagram.com Unique identifier for user sessions for embedded Instagram videos. Removed when the user closes the video. HTTP
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