Phone Carrier Compatibility Checker & BYOD Tool

Facebook Phone Number Checker

maged120/facebook-phone-number-checker

Check whether phone numbers have a Facebook account — no login, no friending, no ban risk. Paste your numbers and get instant results.

Phone Number Validator & Carrier Intelligence Pro

meanusarcanus/phone-validator-ai

Bulk verify phone numbers with live carrier lookup, line type (mobile/landline/VoIP), TCPA litigator scrub, SMS deliverability, and GeoIP location. Just $4.99/1k numbers(66% cheaper)!

Apple ID Email Checker

maged120/apple-id-checker

Checks a list of email addresses and tells you which ones are already registered as an Apple ID.

Email Finder & Reverse Phone Lookup — Contact Enrichment

ntriqpro/contact-enrichment-osint

Email finder and reverse phone lookup in one run: give emails, phones, domains or usernames and get public accounts, phone carrier and line type, company domain profile, company emails, breach signals and a person summary with a confidence score. Batch input, pay per result.

EU VAT Number Validator - VIES Quick Verify

factrelay/eu-vat-quick-verify

Verify EU and Northern Ireland VAT numbers with the European Commission VIES service. Get VALID, INVALID, or source-unavailable results, company details when supplied, batch VAT checks, and structured output.

New York Real Estate License Lookup

factrelay/ny-real-estate-license-lookup

Check New York real-estate license numbers against the official active-license dataset. Verify active matches, inspect holder, license, business, and freshness details, and run exact or batch license lookups.

Validity, line type, region, carrier, timezones and every standard format for a phone number. Fully offline.

US ZIP / ZCTA County & District Lookup

factrelay/us-zip-zcta-jurisdiction-lookup

Look up a US ZIP code or ZIP+4 to Census ZCTA county, county FIPS, state, and 119th Congressional District mappings. Supports batch ZIP lookup, structured output, overlap percentages, and optional Census tracts.

Audit Zendesk AI billing and Resolution Allowance outcomes against sanitized evidence and buyer rules. Reconcile separates supported charges, potential disputes, business-value variance, and unverifiable items for finance, CX, automation, and AI-agent workflows.

Check whether Japanese qualified invoice issuer registration numbers (T + 13 digits) are currently valid, cancelled or expired, using the National Tax Agency's official bulk data. No scraping, no API key.