Carrier lookup
identify the network
behind any number.
Instantly identify the carrier, line type, and porting status of any phone number. Powered by live NPAC and carrier databases — covering 240+ countries, all major MNOs, and regional MVNOs. No account needed.
Three signals, one lookup.
Every carrier lookup returns three data points: operator name, line type, and porting status. Sourced from live NPAC records and global carrier databases — small signals that drive routing, compliance, and fraud decisions across your entire stack.
Verizon · T-Mobile · AT&T · VodafoneThe network operator currently assigned to the number — reflecting the latest NPAC porting record and live carrier data. Identifies both major MNOs and regional MVNO resellers worldwide.
Mobile · Landline · VoIP · Toll-freeClassifies the connection type precisely: mobile, landline, fixed-VoIP, non-fixed VoIP (Google Voice, Skype, TextNow), or toll-free. Line type is the primary signal for TCPA compliance gating and SMS routing decisions.
Ported · Not portedSourced from NPAC — the authoritative US number portability database updated continuously as ports complete. Ported numbers can lag routing tables by up to 24 hours, causing SMS delivery failures and call quality issues if ignored.
Six industries that depend on
carrier data.
Carrier lookup is not exclusive to telecoms. Any team that sends SMS, places outbound calls, or manages a phone database uses carrier data to cut costs, reduce fraud, and stay compliant.
Sales & outbound teams
Before any outbound campaign, carrier lookup identifies mobile versus landline — the line type determines TCPA consent requirements and whether a number can legally be auto-dialed or texted.
Fintech & payments
Non-fixed VoIP numbers are the leading fraud signal at account creation. A carrier check at registration catches disposable numbers from Google Voice, Skype, and TextNow before they access your platform.
SMS marketing
A2P SMS delivery rates and per-message costs differ by destination carrier. Routing each number through its optimal gateway before sending reduces cost and maximizes deliverability across large subscriber lists.
Contact centers
Real-time carrier lookup before each dial lets agents skip numbers that have recently ported, reducing failed connections and IVR fallthrough rates on high-volume outbound campaigns.
SaaS & app developers
Phone field validation at registration catches unroutable, invalid, and disposable VoIP numbers before they enter your user database — protecting downstream SMS workflows and two-factor delivery.
Recruitment & HR
Candidate contact records deteriorate as people change carriers and port numbers. A lookup pass before a hiring campaign ensures outreach reaches real, active mobile lines and reduces wasted dial attempts.
Which carriers does the lookup cover?
The tool covers all major MNOs and thousands of regional MVNOs across 240+ countries. Here are the most commonly looked-up carriers by region.
AT&T · Verizon · T-Mobile · US Cellular · Cricket · Boost
Rogers · Bell · Telus · Freedom · Videotron · Eastlink
Telcel · AT&T MX · Movistar · Altán · Virgin Mobile MX
Vivo · Claro · TIM · Oi · Algar · Sercomtel
Personal · Claro · Movistar · Tuenti
EE · O2 · Vodafone · Three · Sky Mobile · Virgin Mobile
Deutsche Telekom · Vodafone DE · O2 DE · 1&1 Drillisch
Orange · SFR · Bouygues · Free Mobile · NRJ Mobile
TIM · Vodafone IT · Wind Tre · Iliad · PosteMobile
Movistar · Vodafone ES · Orange ES · MásMóvil · Yoigo
Jio · Airtel · Vi (Vodafone Idea) · BSNL · MTNL
China Mobile · China Unicom · China Telecom
NTT Docomo · SoftBank · au (KDDI) · Rakuten Mobile
Telstra · Optus · Vodafone AU · TPG · Boost Mobile AU
Jazz · Telenor PK · Zong · Ufone · SCO
Etisalat (e&) · Du · Virgin Mobile UAE
STC · Mobily · Zain SA · Virgin Mobile SA
MTN NG · Airtel NG · Glo · 9mobile
Vodacom · MTN ZA · Cell C · Telkom SA · Rain
Orange EG · Vodafone EG · Etisalat EG · WE
What the result fields actually mean.
Carrier lookup returns technical fields that affect routing, compliance, and fraud decisions. Here's a plain-English explanation of each term.
MNOMobile Network OperatorA carrier that owns its own radio spectrum and physical network infrastructure — AT&T, Vodafone, Jio. Numbers on an MNO are the most reliable signal for legitimate subscribers.
MVNOMobile Virtual Network OperatorA carrier that leases network capacity from an MNO and resells it under its own brand — Cricket (on AT&T), Boost (on T-Mobile), Giffgaff (on O2). MVNOs are fully legitimate but have higher churn.
NPACNumber Portability Admin CenterThe US authoritative database of all ported phone numbers, managed by iconectiv. When a subscriber moves from AT&T to T-Mobile, NPAC records the port in real time. Carrier lookups query NPAC to return the current operator, not the original.
Non-Fixed VoIPInternet-based, unregistered lineA number tied to an internet service rather than a physical address — Google Voice, Skype, TextNow. These numbers can be created instantly and anonymously, making them the primary fraud signal at account registration and checkout.
Porting StatusHas the number changed carriers?When a number has been ported, carrier routing tables can lag the actual switch by up to 24 hours. SMS sent to a recently ported number via the old carrier path will silently fail. Checking porting status before a campaign prevents these delivery gaps.
Every tool, free to use.
No signup. No limits. Results in under two seconds.
Instantly check if any phone number is valid, active, and reachable — across 240+ countries.
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Find location by codeArea Code LookupLook up any US or Canadian area code to find the city, state, time zone, and region it belongs to.
CallMama routes to the lowest-cost path.
If you're running carrier lookups to optimize international calling costs, CallMama uses real-time smart routing to select the lowest-latency, lowest-cost carrier path for every dial — automatically, with no manual lookup required.
See International CallingFrequently asked.
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