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Carrier, registry, and regulatory changes to US business messaging, from the first registration form to today. 165 events, newest first.
10DLC · RCS · Toll-Free · tracked since 2007
Twilio began requiring valid, publicly accessible privacy policy and terms & conditions URLs on new A2P 10DLC campaign registrations, rejecting during review any campaign submitted without both.
TwilioTwilio released a private-beta white-label embeddable that lets ISVs' end customers complete 10DLC brand and campaign registration inside the ISV's own app while Twilio handles the underlying registration.
TwilioT-Mobile decommissioned the A2P 10DLC daily-cap warning error codes 30025 (50% of limit), 30026 (70%) and 30027 (100%) that signaled when a brand was approaching its daily message limit.
TwilioAT&T increased its A2P SMS and MMS carrier pass-through fees across 10DLC, short code and toll-free traffic, following similar 2026 hikes by T-Mobile and US Cellular.
TelgorithmIn Bradford v. Sovereign Pest Control, the Fifth Circuit held the TCPA permits either oral or written consent for telemarketing texts, finding the FCC's written-consent rule exceeded its authority. The ruling binds only the Fifth Circuit; written-consent standards persist elsewhere and under state mini-TCPAs.
Holland & KnightTwilio created dedicated Privacy Policy URL and Terms & Conditions URL fields (Console and API) for A2P 10DLC campaign registration, moving those links out of the free-text message-flow field to improve approval rates ahead of a hard requirement.
TwilioTelnyx launched a Sole Proprietor brand type letting individuals without an EIN register for 10DLC via SMS-based identity verification, limited to one campaign and one number per brand (max three brands per mobile number).
TelnyxFor the 2026 US election cycle, carriers and TCR require political entities (campaigns, PACs, party and 527 committees) to hold a valid Campaign Verify token before registering political 10DLC/short-code/toll-free campaigns, with unregistered political A2P traffic blocked. (approx)
Talking PurpleT-Mobile raised A2P SMS pass-through fees across short code, 10DLC and toll-free, including a new $0.0025-per-message mobile-originated (inbound) fee on 10DLC and toll-free.
TelgorithmUS Cellular introduced higher A2P pass-through fees for short code, toll-free and 10DLC messaging, mirroring T-Mobile's 2026 increases.
TelgorithmThe FCC issued a second extension pushing the effective date of the TCPA "revoke-all" consent provision (47 CFR 64.1200(a)(10)) to January 31, 2027 while it reviews a 2025 rulemaking on the rule.
CFS Law MonitorCampaign Verify began issuing its political-entity authorization tokens for Short Code and Toll-Free messaging in addition to 10DLC, broadening the verified-political-sender framework used to unlock political use cases.
Campaign VerifyTCR added a $0.50-per-campaign fee when migrating a brand from one CSP to another (sole proprietorships cannot be migrated), formalizing and pricing brand/campaign portability between providers.
The Campaign RegistryThe FCC published a final rule (90 FR 42137) removing the vacated one-to-one consent requirement and reinstating the prior "prior express written consent" standard for telemarketing calls and texts.
FCCTwilio updated its A2P 10DLC phone-number registration events in Event Streams to include the Messaging Service SID, letting senders directly identify which campaign a number is tied to for compliance monitoring.
TwilioTCR introduced pricing for Brand Assets verification: Aegis banner verification ($50), logo verification ($75), plus reverification and appeals. Brands need this to use verified logos and banners in RCS messaging.
The Campaign RegistryTCR made Authentication+ 2.0 vetting mandatory for new public/for-profit 10DLC brands; qualifying existing brands had to complete it by October 30, 2025 or lose the ability to create campaigns and risk suspension.
VonageTCR increased fees, including brand registration from $4.00 to $4.50 and standard brand vetting from $40.00 to $41.50 per request.
HighLevelThe Supreme Court held that the Hobbs Act does not bind district courts to the FCC's interpretations of the TCPA in civil suits, letting courts independently construe the statute and opening long-standing FCC TCPA/robotext rules to challenge in litigation.
Faegre DrinkerThe FCC rule took effect. Senders must honor opt-out/revocation requests made by "any reasonable means" within 10 days, and post-opt-out confirmation texts are limited to a single message.
BCLPThe FCC delayed the effective date of the "revoke-all" portion of its consent-revocation rule (47 CFR 64.1200(a)(10)) from April 11, 2025 to April 11, 2026, citing operational and cost concerns raised by businesses.
Nixon PeabodyUS carriers moved to block all application-to-person 10DLC SMS from brands and campaigns not registered with The Campaign Registry, making registration mandatory for any delivery.
CallHubIn Insurance Marketing Coalition v. FCC, the Eleventh Circuit vacated the FCC's TCPA one-to-one consent rule and its "logically and topically related" requirement days before they were to take effect, holding the FCC exceeded its authority.
CFS Law MonitorBandwidth and Syniverse, the last Direct Connect Aggregators still passing unregistered traffic, set December 1, 2024 to stop supporting unregistered 10DLC messaging (Syniverse later extended its cutoff to February 1, 2025), alongside mandatory enhanced brand verification.
TelgorithmVonage introduced a new compliance review and traffic flag that re-reviews existing 10DLC campaigns whenever they are updated.
VonageTCR introduced Authentication+, a one-time brand-representative identity check (email on the brand's own domain + two-factor verification within 7 days) to curb impersonation and smishing, initially mandatory for public, for-profit brands.
TwilioAT&T introduced fees for both registered and unregistered 10DLC traffic (registered SMS $0.0030 / MMS $0.0075; unregistered SMS $0.0100 / MMS $0.0150).
TelgorithmA second Direct Connect Aggregator began independently re-vetting campaigns already vetted by the first DCA, adding a dual-approval layer that lengthened approval times and raised rejection rates. (approx)
TelgorithmT-Mobile raised 10DLC pass-through fees to $0.009/SMS and $0.018/MMS on June 1, 2024, part of a bi-monthly series that climbed to $0.012/SMS and $0.021/MMS by December 1, 2024.
TelgorithmBandwidth notified customers it would block traffic from 10DLC numbers tied to unregistered campaigns, requiring a 95% registration rate by September 1, 2024 and setting full enforcement for December 1, 2024.
CommLaw GroupTwilio added the ability to edit and resubmit rejected A2P 10DLC campaign registrations directly from Console instead of deleting and recreating them, reducing friction on the tightening vetting process.
TwilioThe FCC codified that consumers may revoke consent by any reasonable means (STOP, QUIT, END, REVOKE, OPT OUT, CANCEL, UNSUBSCRIBE), that callers must honor opt-outs within 10 business days for robocalls and robotexts, and permitted a single confirmatory opt-out text.
FCCT-Mobile instituted Severity-0 pass-through fines of $2,000 (phishing/smishing/social engineering), $1,000 (content illegal in all 50 states) and $500 (all other violations incl. SHAFT), alongside its broader penalty schedule.
VonageVonage implemented new carrier campaign requirements: sample messages must include opt-out instructions, and registrations must document the exact opt-in call-to-action with required legal language. (approx)
VonageThe FCC voted to close the "lead generator loophole," requiring one-to-one prior express written consent for marketing calls and texts. Businesses had to change the consent language they collect.
FCCTwilio deprecated the Console feature and report that let customers view 10DLC numbers incurring unregistered penalty charges, reflecting the shift from penalties to outright blocking.
TwilioSMS/MMS sent to US numbers from unregistered +1 10DLC numbers were fully blocked by carriers and aggregators, completing the transition to mandatory registration.
TwilioAugust 31, 2023 was the effective deadline for A2P 10DLC registration; messages from unregistered numbers sent after this date would be fully blocked rather than merely filtered.
TwilioMessages from unregistered +1 10DLC numbers to US recipients were subject to a gradual increase in blocking (Twilio error 30034), ramping toward a full block after August 31, 2023.
TwilioVerizon increased its per-message rate on unregistered 10DLC traffic to $0.01 per SMS segment to drive registration compliance.
TelgorithmAT&T increased carrier pass-through fees on unregistered 10DLC messages, further penalizing unregistered traffic ahead of full blocking.
TelnyxFlorida narrowed the FTSA: it added a text-message safe harbor (recipient must text STOP; sender gets 15 days to comply), tightened the "automated system" definition, and recognized checkbox/electronic acts as consent signatures.
GoodwinCTIA published a new version of its Messaging Principles and Best Practices (replacing the 2019 edition), clarifying A2P vs P2P and consumer-consent/opt-out requirements that carriers increasingly treated as mandatory for network access. (approx)
CTIATwilio launched its Sole Proprietor A2P 10DLC registration API and Console experience, replacing the deprecated Starter Brand path for hobbyists and US/Canada businesses without an EIN.
TwilioThe FCC required mobile carriers to block illegal texts from numbers on a reasonable Do-Not-Originate list (invalid, unallocated or unused numbers, and numbers whose subscriber requests blocking), and proposed applying Do-Not-Call and consent-revocation protections to texts.
RCR WirelessAll new US A2P 10DLC campaign registrations became subject to a manual/external campaign vetting process with an added ~$15 verification fee, tying per-campaign throughput to a vetting score.
TwilioT-Mobile imposed a $250 non-use fee, charged at the campaign level, on any campaign that did not have at least one phone number attached during a rolling 60-day window.
TelgorithmTCR and the Tier-1 carriers implemented new "Sole Proprietor v2" rules for brands without an EIN (limited to 1 campaign and 1 number per entity), and the Low-Volume Mixed campaign fee dropped to $1.50/month.
VonageOklahoma's mini-TCPA imposed prior express written consent for automated sales calls and texts, call-time and volume limits, and a private right of action ($500/violation), expanding state-level SMS consent obligations beyond Florida.
MintzFollowing TCR/industry sole-proprietor clarifications, Twilio deprecated Starter Brand registration, cut the Low-Volume Standard Brand fee to $4 (from $94) and waived campaign registration fees; non-compliant Starter Brands had to be removed by November 3, 2022.
TwilioVerizon raised its registered-traffic carrier fees to $0.003 per SMS segment (up from $0.0025) and $0.005 per MMS. (approx)
BandwidthAT&T began slowing unregistered messaging traffic down to P2P throughput rates and signaled that unregistered 10DLC traffic would eventually be blocked entirely.
TelnyxT-Mobile began enforcing its $50 campaign registration (new and migration) fee, making registered-campaign fees a standard cost of 10DLC messaging.
TelgorithmT-Mobile reduced 10DLC messaging fees for approved 501(c)(3) charitable, emergency and educational campaigns, which had to comply with TCPA, CTIA best practices and T-Mobile guidelines.
BandwidthT-Mobile scheduled a $10-per-message grey-route fee (for A2P messages routed over P2P) as an anti-evasion measure; enforcement was subsequently waived until further notice. (approx)
CommioT-Mobile's $50 Campaign Service Activation and $50 Campaign Service Migration fees took effect, after being pushed back from an original October 1, 2021 date.
CommioT-Mobile extended its brand-verification deadline to November 1, 2021, after which campaigns tied to unverified brands would be deactivated, pushing brands to complete vetting.
CommioT-Mobile activated 10DLC non-compliance pass-through fees: a $2,000 custom NNID fee, $10,000 for sending before campaign approval, $1,000 for long-code evasion (snowshoeing), and $10,000 for content violations.
CommioThe Campaign Registry reached its carrier-sanctioned launch and carriers began enforcing TCR registration, throttling or blocking unregistered 10DLC traffic and making brand/campaign registration the official requirement.
Alan QuayleTwilio stopped absorbing the $40 carrier secondary-vetting fee for primary A2P brand registration and began passing it through to customers.
TwilioT-Mobile began imposing per-brand (per-EIN) daily caps on outbound SMS/MMS based on Trust Score; default low-tier brands were limited to ~2,000 messages/day.
TwilioTwilio gave ISV customers the option to skip automated secondary vetting for secondary brands, while still recommending it because vetting raises campaign throughput and daily limits. (approx)
TwilioA set of five 10DLC special use cases requiring additional carrier approval immediately after registration became available for registration. (approx)
TwilioTwilio announced all A2P brand registrations would automatically include a $40 one-time secondary vetting (Aegis Mobile), improving Trust Score accuracy and unlocking higher T-Mobile daily limits and throughput.
TwilioTwilio made US A2P 10DLC brand and campaign registration available to all eligible customers via the Console and API through Trust Hub.
TwilioTCR introduced an Assignment Rule tying messaging throughput to a brand's Trust Score, and carriers began using third-party vetting providers (Aegis Mobile, WMC Global) to verify brands before granting higher throughput. (approx)
TelgorithmFlorida's amended mini-TCPA required prior express written consent for automated sales calls and texts and created a private right of action ($500/message), triggering a wave of SMS class actions and prompting businesses to tighten Florida-facing opt-in forms.
The Florida Bar JournalAT&T set June 1, 2021 as the date by which businesses should have registered their brands and campaigns for A2P 10DLC, after opening registration on April 1.
BandwidthMajor wireless carriers discontinued shared short codes for texting providers, forcing senders to migrate to dedicated short codes or registered 10DLC numbers.
EmotiveBy the end of May 2021, AT&T, Verizon and T-Mobile/Sprint had all gone live with their A2P 10DLC services, making registered 10DLC the standard channel for business long-code messaging. (approx)
EmotiveAT&T's network-access fee structure took full effect: ~$0.002/SMS and $0.0035/MMS for declared/registered use cases, with higher rates for non-registered traffic, incentivizing registration.
BandwidthT-Mobile began charging per-message pass-through fees on 10DLC traffic, $0.003 for SMS and $0.01 for MMS (inbound and outbound). (approx)
SalesmsgThe Supreme Court held that an "automatic telephone dialing system" under the TCPA must use a random or sequential number generator, narrowing autodialer liability and shifting compliance focus toward consent and carrier/CTIA rules.
U.S. Supreme CourtAT&T went live with A2P 10DLC, flat-rating all classes at $0.002/SMS during a 60-day grace period, and directed businesses to register brands and campaigns starting April 1 (no later than June 1, 2021).
BandwidthTCR opened commercially, letting Campaign Service Providers register brands and campaigns for A2P 10DLC. This was the first standardized brand and campaign registration form. (approx)
Alan QuayleCampaign Verify, a nonpartisan nonprofit vetting partner of TCR, launched to issue authorization tokens allowing political (527) organizations to register for the political use case and gain higher throughput. (approx)
VoterPingTwilio and other CPaaS providers previewed brand registration (~$4 one-time), campaign fees (~$5–$10/month) and a three-tier trust-score model, while AT&T and T-Mobile ran betas ahead of Q1 2021 fees.
TwilioVerizon's dedicated 10DLC carrier pass-through fees took effect ($0.0025/SMS, $0.0050/MMS), the first live carrier 10DLC fee. It followed Verizon's 2019 A2P long-code surcharge and set the per-message model other carriers later adopted.
TelgorithmTwilio announced it was fully live with Verizon's 10DLC A2P program and that Verizon carrier fees were now in effect, one of the earliest carrier 10DLC fee regimes in production.
TwilioTCR was created as the central registration body for A2P 10DLC messaging, giving carriers visibility into brands, campaigns and use cases to curb spam and unwanted texts. (approx)
The Campaign RegistryVerizon became the first carrier to formally launch a dedicated A2P 10DLC service for SMS and MMS, with routes live from January 2020.
TwilioThe Pallone-Thune TRACED Act expanded FCC enforcement authority (civil penalties up to $10,000/call, longer limitations) and directed the FCC to protect consumers from unauthenticated calls and texts.
WileyCTIA's updated Messaging Principles and Best Practices formally acknowledged local (long code) and toll-free numbers as legitimate A2P messaging routes, providing the regulatory basis for 10DLC.
CTIAVerizon began applying a $0.0025-per-message surcharge on 10-digit long-code traffic flagged as A2P, the first US carrier fee aimed specifically at A2P long-code messaging. (approx; announced late 2018)
Swift SMS GatewaySHAFT (Sex, Hate, Alcohol, Firearms, Tobacco) is a long-standing carrier/CTIA content standard: firearms and hate/sexual content are prohibited; alcohol and tobacco require age-gating. Enforced via filtering, suspension or deactivation and codified in CTIA's Messaging Principles. (approx; a continuously enforced standard)
SimpleTextingAT&T told A2P partners it would stop activating any new shared short codes, an early move pushing businesses toward dedicated short codes and the emerging 10DLC channel. (approx)
EmotiveEZ Texting sponsored a technical workshop presenting 10DLC implementation details to carriers and ecosystem participants, a key step toward a commercial standard.
A 10DLC Origin StoryThe registry technology was developed inside Hook/Buc Mobile; Kaleyra acquired Hook in 2018 and continued building what became The Campaign Registry (TCR). (approx)
Alan QuayleCTIA's member carriers issued the first formalized Messaging Principles and Best Practices, the voluntary consent/opt-in/content/filtering framework distinguishing Consumer (P2P) from Non-Consumer (A2P) messaging that later underpinned 10DLC compliance.
CTIAAT&T's Alex Bobotek convened a pilot to tag messages so a sender's identity would be clear, joined by AdaptiveMobile, Bandwidth, EZ Texting and Syniverse. This effort became A2P 10DLC. (approx)
A 10DLC Origin StoryThe FCC confirmed that text messages are "calls" subject to the TCPA and that consumers may revoke consent at any time through any reasonable means, establishing that businesses must honor opt-outs sent by any reasonable method, not just prescribed keywords.
FCCThe FCC's 2012 TCPA order took effect, requiring prior express WRITTEN consent for autodialed marketing calls and texts to wireless numbers and ending the established-business-relationship exemption. Today's SMS opt-in checkboxes trace back to this rule.
Klein Moynihan Turco