# Azure Communication Services, pay as you go, Pay-as-you-go, POST /operatorInformation/:search, Phone Numbers - Operator Information Search: 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 $0.00 per 1,000 phones. It returns 5 of the 9 key fields we check. 2 are in the plan's price: Number, Formats. 3 cost extra: Type, Carrier, Place.
This call is free. Extra fields on this call cost requests. Azure Communication Services limits how many results you get but gives no number.
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 and 9 others tie for the lowest price per 1,000 phones of the 888 plans.
[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
- [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
- 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: ✓ costs more
- Carrier: ✓ costs more
- Place: ✓ costs more

## Price

- $ per 1,000 phones: $0.00
- Per: result
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Extra fields: number type, country code, operator, mobile country code, mobile network code: +$5.00
- 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
- 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. Optional: options.includeAdditionalOperatorDetails
- 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 3 fields the plan's answer can hold

phone number, national format, international format

## 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](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): $0.00 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](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)

## Azure Communication Services: phone validation API alternatives

- [Foxentry, free trial, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic/llms.txt): $0.00 per 1,000, 56% complete, stored
- [HLR Lookups, free, 100 free lookups, POST /nt-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-nt-lookups/llms.txt): $0.00 per 1,000, 67% complete, stored
- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 89% complete, 1 day
- [seven.io, free test credit, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr/llms.txt): $0.00 per 1,000, 78% complete, live
- [Affiliate SMS, free](https://datacircle.dev/validate-phone-apis/affiliate-sms/free/llms.txt): $0.00 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