# Azure Communication Services, pay as you go, Pay-as-you-go, POST /operatorInformation/:search, Phone Numbers - Operator Information Search, full: Phone validation API

> Azure Communication Services Number Lookup enables you to retrieve insights and look up a specific phone number. It's part of the Phone Numbers SDK and can be used to support customer service scenarios, appointment reminders, two-factor authentication, and other real-time communication needs.

Azure Communication Services's phone validation API on its Pay-as-you-go plan. It costs $5.00 per 1,000 phones. It returns 5 of the 9 key fields we check: Number, Formats, Type, Carrier, Place.
We haven't run Azure Communication Services through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Half of the 888 plans we rank by price cost $3.376 per 1,000 phones or less. This plan costs less per 1,000 phones than 42% of the 888 plans.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.
[Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/azure-communication-services/pay-as-you-go-pay-as-you-go-post-operatorinformation-search-phone-numbers-operator-information-search-full
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://azure.microsoft.com/en-us/pricing/details/communication-services/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://resourcename.communication.azure.com/operatorInformation/:search`, Phone Numbers - Operator Information Search, full
- API key: with the plan, on https://azure.microsoft.com/en-us/pricing/details/communication-services/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://learn.microsoft.com/en-us/rest/api/communication/phonenumbers/phone-numbers/operator-information-search?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Azure Communication Services (https://azure.microsoft.com/en-us/products/communication-services?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 56%
- Number: ✓
- Formats: ✓
- Type: ✓
- Carrier: ✓
- Place: ✓

## Price

- $ per 1,000 phones: $5.00
- Per: result
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Azure Communication Services Number Lookup enables you to retrieve insights and look up a specific phone number. It's part of the Phone Numbers SDK and can be used to support customer service scenarios, appointment reminders, two-factor authentication, and other real-time communication needs.

## Data

- What it checks: numbering plan, carrier
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: monthly

## Speed

- Answer: in the call

## The call

- You send: api-version "2025-06-01", phoneNumbers, options.includeAdditionalOperatorDetails true
- Method: POST
- Path: /operatorInformation/:search

## About the plan

- Plan: Pay-as-you-go
- Who can get it: anyone with an Azure account that has an active subscription

## The 8 fields the plan's answer can hold

phone number, national format, international format, number type, country code, operator, mobile country code, mobile network code

## Azure Communication Services's plans (1)

- [Azure Communication Services, pay as you go, Pay-as-you-go, POST /operatorInformation/:search, Phone Numbers - Operator Information Search, full](https://datacircle.dev/validate-phone-apis/azure-communication-services/pay-as-you-go-pay-as-you-go-post-operatorinformation-search-phone-numbers-operator-information-search-full/llms.txt): $5.00 per 1,000, 56% complete

## Azure Communication Services's calls (2)

- `POST /operatorInformation/:search`, Phone Numbers - Operator Information Search: [Azure Communication Services, pay as you go, Pay-as-you-go, POST /operatorInformation/:search, Phone Numbers - Operator Information Search](https://datacircle.dev/validate-phone-apis/azure-communication-services/pay-as-you-go-pay-as-you-go-post-operatorinformation-search-phone-numbers-operator-information-search/llms.txt)
- `POST /operatorInformation/:search`, Phone Numbers - Operator Information Search, full: [Azure Communication Services, pay as you go, Pay-as-you-go, POST /operatorInformation/:search, Phone Numbers - Operator Information Search, full](https://datacircle.dev/validate-phone-apis/azure-communication-services/pay-as-you-go-pay-as-you-go-post-operatorinformation-search-phone-numbers-operator-information-search-full/llms.txt)

## Azure Communication Services's APIs (1)

- [Azure Communication Services: phone validation API pricing, 1 plan, Phone Numbers - Operator Information Search, full](https://datacircle.dev/validate-phone-apis/azure-communication-services/pay-as-you-go-pay-as-you-go-post-operatorinformation-search-phone-numbers-operator-information-search-full/llms.txt)

## Azure Communication Services: phone validation API alternatives

- [CallerAPI, $25 monthly, Basic, GET /api/lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/25-monthly-basic-get-api-lookup-phone/llms.txt): $5.00 per 1,000, 78% complete, stored
- [ProWebLook, $250 pack, WhatsApp One-Time 50K, GET /wavalidation](https://datacircle.dev/validate-phone-apis/proweblook/250-pack-whatsapp-one-time-50k-get-wavalidation/llms.txt): $5.00 per 1,000, 67% complete, live
- [Bird, top-up from $15](https://datacircle.dev/validate-phone-apis/bird/top-up-from-15/llms.txt): $5.00 per 1,000, 78% complete
- [Call402, pay as you go](https://datacircle.dev/validate-phone-apis/call402/pay-as-you-go/llms.txt): $5.00 per 1,000, 44% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://azure.microsoft.com/en-us/pricing/details/communication-services/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://azure.microsoft.com/en-us/pricing/purchase-options/pay-as-you-go?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://azure.microsoft.com/en-us/support/legal/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/azure/communication-services/concepts/numbers/number-lookup-concept?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/azure/communication-services/concepts/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/azure/communication-services/concepts/service-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/azure/communication-services/quickstarts/telephony/number-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/azure/cost-management-billing/understand/review-individual-bill?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://learn.microsoft.com/en-us/rest/api/communication/phonenumbers/phone-numbers/operator-information-search?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20%27Azure%20Communication%20Services%27%20and%20contains(meterName,%27Lookup%27)&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing