Overview
Call blocking is being used by T-Mobile, AT&T, Verizon, and other carriers to stop unwanted and
illegal calls from reaching your phone. For several years, these carriers began investing into
third-party and internal analytic software to improve their labeling services and algorithms to
detect robocalls. Billions of robocalls or unwanted calls to consumers are now being blocked.
Many carriers and phone companies have now enabled additional blocking software to block calls
or detect suspicious calling patterns to their customers. This means consumers are less likely
to receive business calls if those businesses have not registered their company as legitimate.
As a consumer, you’ve probably seen many calls go straight to your voicemail, hear a single
ring, or see “Spam”, “Spam Likely”, “Anonymous” or something to warn you before picking up. Many
times, you may not even receive a notice.
The problem for businesses is that many carriers are taking advantage of the FCC rules that
automatically enroll consumers in call blocking services. Which means, if you fall into
categories such as: high call volumes, short calls, unanswered calls, and more; carriers may
block you without any mention.
How You Can Avoid Call Blockage
If you don’t want to have your calls blocked or to show up as “Spam Likely”, “Telemarketer”,
“Fraud Likely” or more, you can register your phone number with the Free Caller Registry
portal.
The Free Caller Registry enables businesses to register phone numbers as legitimate. Once you
submit your data, your registration gets sent to a centralized database where analytic tools
determine the relationship between business and consumer. Once approved, you receive an email
with approval.
How to Register with The Free Caller Registry
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Complete the online whitelisting form below so that your calls are not miscategorized as
SPAM by wireless carriers: Free Caller Registry portal
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Once you register and submit the required information via the portal, the Analytics Engines
will vet it and follow up with you directly via email.
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If they approved your request, it may take a few days for changes to your phone number(s) to
go into effect. Note: Completing the registration process does not guarantee that your calls
won’t be blocked or labeled as SPAM in the future; however, registration is intended to
reduce the risk of blocking or labeling. Please register all business telephone numbers.
Mobile carriers T-Mobile, AT&T, and Verizon together with their respective partnered Analytics
Engines First Orion, Hiya, and Transaction Network Services (TNS) have set up this portal to
allow callers to more easily register their traffic with all of their systems at the same time.
This registration portal may not cover other consumer applications responsible for call labeling
or blocking. You can find additional guidance from the FCC in the Tips to Avoid Having Legitimate Calls Blocked.
Here are some best practices to avoid being blocked
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Always use a valid outgoing number.
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Never display an invalid number in caller ID.
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Never substitute a phone number in caller ID to which you do not subscribe.
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Do not use an outgoing number that is on the Do Not
Originate list.
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Limit the number of calls placed per minute, particularly outside of normal business hours.
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Limit the number of times you call numbers back within a short time frame.
In addition, if you want to not be blocked, be sure to register valid numbers
you plan to use for outgoing calls with the resources below:
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AT&T:Call 800-337-5373, email dl-GFMOBusinessFra@ATT.com, or contact Hiya
through its
website, hiyahelp.zendesk.com/hc/en-us/requests/new.
Calling parties can also provide
feedback at att.com/reviewmycalllabel,
which links to Hiya’s portal.
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CenturyLink: Email robocall.reporting@centurylink.com,
or contact Nomorobo at
nomorobo.com/contact and choose “Report a
Number.”
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First Orion: Contact via website at calltransparency.com.
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Frontier: Email nospam@ftr.com, or contact
Nomorobo.
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Nomorobo: Contact through website at nomorobo.com/contact and choose “Report a
Number.”
Nomorobo has a white list feature to which subscribers can add numbers in order to prevent
erroneous blocking.
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Sprint: Call 888-211-4727 or contact TNS at reportarobocall.com/trf.
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T-Mobile: Contact through Report
Improperly Identified Call or through First Orion at calltransparency.com.
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TNS: TNS provides a portal on its website for identifying inaccuracies, through its
robocall feedback website, reportarobocall.com/trf, and it allows
companies to subscribe to alerts to inform them when the number is classified as a spammer,
spoofer, scammer, or robocaller.
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US Cellular: Call 888-944-9400 or contact through website at uscellular.com/support/robocall/index.html.
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Verizon: Contact through website at voicespamfeedback.com.
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Windstream: Call 800-347-1991 or contact by email at website: windstream.com/Support/Phone/Troubleshooting-repair.
As always, we strive to keep you updated on ways to improve your business and the effectiveness
of your marketing, sales, and customer service efforts.