China Phone Number Checker
Verify Chinese mobile phone numbers instantly. Detailed carrier, province, city, and area-code data for any mainland-China number.
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Integration guide
Copy a snippet, replace your API key, run. Works in any HTTP client — examples below in cURL, JavaScript, and Python.
/api/check-china-phonehttps://www.apipick.comValidate Chinese mobile phone numbers and retrieve detailed carrier and location information
phone_numberstringrequiredChinese phone number to validate (supports 11-digit, +86, and 0086 formats) 13800138000
curl -X POST "https://www.apipick.com/api/check-china-phone" \
-H "Content-Type: application/json" \
-H "x-api-key: YOUR_API_KEY" \
-d '{
"phone_number": "13800138000"
}'{
"success": true,
"data": {
"phone": "13800138000",
"phone_type": "China Mobile",
"province": "Beijing",
"city": "Beijing",
"zip_code": "100000",
"area_code": "010"
}
}What You Can Verify
Carrier Information
Identify whether the number belongs to China Mobile, China Telecom, or China Unicom
Location Details
Get detailed province, city, area code and zip code information
Number Validation
Verify if the phone number format is valid and can be used in China
Perfect for These Use Cases
E-commerce Platforms
Validate customer phone numbers during registration and checkout
SMS Marketing
Clean your contact lists and ensure delivery to valid Chinese numbers
User Registration
Verify user phone numbers for account creation and verification
AI Agent Enrichment
Use as an LLM tool function to enrich Chinese contact data inside autonomous agent pipelines and CRM automation workflows
Technical Information
Supported Number Formats
- • Standard format: 13800138000 (11 digits)
- • International: +8613800138000
- • With country code: 008613800138000
- • All major carriers: Mobile, Telecom, Unicom
API Response Data
- • Carrier: Network operator identification
- • Location: Province and city details
- • Area Code: Regional telephone prefix
- • Zip Code: Postal code information
Rate limits
Throttling is per API key, sliding 60-second window. Hit the limit and you get a clean 429 with a Retry-After header.
60req/min
Per API key, per endpoint. Sliding 60-second window.
3concurrent
Max simultaneous in-flight requests per API key.
X-RateLimit-LimitMaximum requests allowed per minuteX-RateLimit-RemainingRequests remaining in the current windowX-RateLimit-ResetSeconds until the current window resetsRetry-AfterSeconds to wait before retrying (only on 429)HTTP/1.1 429 Too Many Requests
Retry-After: 12
X-RateLimit-Limit: 60
X-RateLimit-Remaining: 0
X-RateLimit-Reset: 12
{
"error": "rate_limit_exceeded",
"message": "Rate limit exceeded: 60 requests/minute per API key. Retry after 12s.",
"retry_after": 12
}Frequently Asked Questions
Q: Which Chinese phone number formats are supported?
A: We support all standard Chinese mobile number formats including 11-digit domestic format, international format with +86, and format with 00 country code prefix.
Q: Can I verify Hong Kong or Taiwan phone numbers?
A: This tool is specifically designed for mainland China phone numbers. Hong Kong (+852) and Taiwan (+886) numbers use different formats and are not supported.
Q: Is this service free to use?
A: New accounts get 100 free credits on signup — no credit card required. Each China phone number check costs 1 credit. After that, credits are available on a pay-as-you-go basis.
Q: Can I use this API with AI agents or LLMs?
A: Yes. The endpoint accepts a simple JSON body and returns structured JSON — easy to define as an OpenAI function, Claude tool, LangChain tool, or any agent framework action. Just pass phone_number as the argument and parse the data field from the response.
Use China Phone Checker in Claude Code & AI Agents
Install the official Claude Code skill to look up Chinese phone numbers directly inside your AI coding agent — carrier, province, city and more via natural language.
Ask your AI agent naturally
Compatible platforms
Claude Code skill for APIpick China Phone Checker API
Returns carrier (China Mobile / Telecom / Unicom), province, city, postal code, and area prefix for any Chinese mobile number.