What You Get
Our phone lookup tool returns comprehensive data about any US phone number:
- Carrier — Current serving carrier (Verizon, AT&T, T-Mobile, etc.). For bulk carrier and messaging provider lookups via API, see Messaging Provider Identification.
- Line Type — Wireless, landline, VoIP, or toll-free
- CNAM — Registered caller ID name. See VRI CNAM lookup supports outbound caller ID verification at scale.
- LRN Activation Date — When number was last ported (exclusive). Learn how VRI Enhanced LRN delivers routing data with port timestamps — available via API at $0.0005/lookup.
- OCN — Operating Company Number
- Ported Status — Whether number has been ported
Try Phone Lookup
Or use the API directly:
curl -X POST https://api-service.verirouteintel.io/api/v1/cnam \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"phone_number": "15551234567"}'Common Use Cases
Contact Validation
Verify phone numbers before adding to your CRM or calling:
- Check if number is valid and assigned
- Identify line type for appropriate outreach
- Get caller name for verification
Fraud Detection
Screen phone numbers for fraud signals:
- Check LRN Activation Date for recent porting (SIM swap risk)
- Identify VoIP numbers (easier to obtain anonymously)
- Verify CNAM matches provided identity
Routing Optimization
Get accurate carrier data for routing decisions:
- Identify current carrier (not original)
- Choose optimal routing paths
- Apply correct carrier-based rates
Bulk Lookup
Need to look up many numbers? Use our bulk upload feature:
- Upload CSV with phone numbers
- Preview results before paying
- Download enriched CSV when complete
- Email notification when job finishes
Sign up to access bulk uploads.
Need API Access?
This tool runs one lookup at a time. The VRI API supports bulk and programmatic lookups via REST and GraphQL — query millions of numbers automatically, integrate results directly into your platform, and pay only for what you use. Starting at $0.0005 per lookup with no minimum commit.
- 10 free lookups every month — no credit card required
- LRN, CNAM, carrier, line type, and activation date in a single call
- Bulk CSV upload and real-time API available for any volume
Phone Lookup API — FAQ
What does the phone number lookup API return?
The VRI phone lookup API returns carrier name, line type (wireless, landline, VoIP), CNAM (caller ID name), LRN (Local Routing Number), LRN activation date, ported status, rate center, LATA, OCN, state, and timezone — all in a single REST or GraphQL call.
How much does a phone number lookup API cost?
LRN lookup (which includes carrier and line type data) costs $0.0005 per query. CNAM costs $0.0060 per query. Your first 10 lookups each month are always free. There are no subscriptions or minimums — you pay only for what you use.
Can I do bulk phone lookups via the API?
Yes. The VRI API supports bulk lookups via CSV upload or batch REST calls of up to 1,000 numbers per request. Duplicate numbers in a batch are automatically deduplicated and charged only once. Email notification is sent when large batch jobs complete.