> ## Documentation Index > Fetch the complete documentation index at: https://docs.telegent.com/llms.txt > Use this file to discover all available pages before exploring further. # Numbers - Update E911 Address > Register or update the E911 emergency address for a phone number. This address is provided to emergency services when a 911 call is placed from the specified number. Ensure the address is accurate and matches a valid MSAG (Master Street Address Guide) location. **What this does:** Sets or updates the E911 service address associated with the given phone number. **Next steps:** - Verify the updated address — `GET /v1.0/numbers/e911address` ## OpenAPI ````yaml /api-reference/openapi.json post /v1.0/numbers/e911address/update openapi: 3.0.3 info: title: mPaaS Core APIs version: 1.0.8 description: >- The Telegent mPaaS (Mobile Platform as a Service) API gives you full programmatic control over mobile phone numbers, messaging, voice routing, subscribers, and account management. Use these APIs to provision MVNO and IoT numbers, send and receive SMS/MMS, configure intelligent call routing, manage subscriber accounts, and apply AI Guardian controls. All requests require a Bearer token obtained from the Authentication endpoint. For support, visit https://support.telegent.com/support/home contact: name: Support email: support@telegent.com termsOfService: https://telegent.com/terms license: name: Use under LICX url: https://telegent.com/license servers: - url: https://api.telegent.com/v1.0 security: - BearerAuth: [] tags: - name: OAuth2 - name: AI Guardian - name: Accounts - name: Distributors - name: Message - name: Numbers - name: Voicemail - name: Packages - name: Products - name: Schedules - name: Services - name: Sims - name: Subscribers - name: Subscriptions - name: Voice - name: Workgroups paths: /v1.0/numbers/e911address/update: post: tags: - Numbers summary: Numbers - Update E911 Address description: >- Register or update the E911 emergency address for a phone number. This address is provided to emergency services when a 911 call is placed from the specified number. Ensure the address is accurate and matches a valid MSAG (Master Street Address Guide) location. **What this does:** Sets or updates the E911 service address associated with the given phone number. **Next steps:** - Verify the updated address — `GET /v1.0/numbers/e911address` requestBody: description: E911 address update request required: true content: application/json: schema: type: object required: - PhoneNumber - Street1 - City - State - Zip properties: PhoneNumber: type: string description: E.164-formatted phone number (e.g. +12345678901) AccountId: type: string description: >- Account identifier. Required for Distributors managing multiple accounts. Street1: type: string description: Primary street address line Street2: type: string description: Secondary address line (suite, unit, etc.). Optional. City: type: string description: City name State: type: string description: Two-letter US state abbreviation (e.g. UT) Zip: type: string description: ZIP or ZIP+4 postal code example: PhoneNumber: '+12345678901' AccountId: AID-eab92510-1040-45a5-bb9c-xxxx Street1: Street 1 Street2: '' City: Lehi State: UT Zip: '84041' responses: '200': description: E911 address updated successfully content: application/json: schema: type: object examples: example: value: PhoneNumber: '+12345678901' Status: Success StatusMessage: '' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/BadRequest_Result' example: StatusCode: 400 Message: >- Bad request: one or more required fields are missing or contain an invalid value. '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/Unauthorized_Result' example: StatusCode: 401 Message: >- Unauthorized: Bearer token is missing, expired, or invalid. Re-authenticate via POST /v1.0/oauth2/tokens. '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/Forbidden_Result' example: StatusCode: 403 Message: >- Forbidden: your token does not have permission to access this resource. Check the ApiEndpoint scope. '404': description: Not Found content: application/json: schema: $ref: '#/components/schemas/NotFound_Result' example: StatusCode: 404 Message: >- Not found: the requested resource does not exist or belongs to a different account. '405': description: Method Not Allowed content: application/json: schema: $ref: '#/components/schemas/MethodNotAllowed_Result' example: StatusCode: 405 Message: >- Method not allowed: verify the HTTP method required for this endpoint. '408': description: Request Timeout content: application/json: schema: $ref: '#/components/schemas/RequestTimeout_Result' example: StatusCode: 408 Message: >- Request timeout: the server did not receive a complete request within the allowed time. Retry with exponential backoff. '429': description: Too Many Requests content: application/json: schema: $ref: '#/components/schemas/TooManyRequests_Result' example: StatusCode: 429 Message: >- Too many requests: rate limit exceeded. Slow your request cadence and retry after a short delay. '500': description: Server Error content: application/json: schema: $ref: '#/components/schemas/InternalServerError_Result' example: StatusCode: 500 Message: >- Internal server error: an unexpected error occurred. If the problem persists contact support@telegent.com. '503': description: Service Unavailable content: application/json: schema: $ref: '#/components/schemas/ServiceUnavailable_Result' example: StatusCode: 503 Message: >- Service unavailable: the API is temporarily unavailable. Retry after a short delay. '504': description: Gateway Timeout content: application/json: schema: $ref: '#/components/schemas/GatewayTimeout_Result' example: StatusCode: 504 Message: >- Gateway timeout: an upstream service did not respond in time. Retry with exponential backoff. x-codeSamples: - lang: JSON source: |- { "PhoneNumber": "+12345678901", "AccountId": "AID-eab92510-1040-45a5-bb9c-xxxx", "Street1": "Street 1", "Street2": "", "City": "Lehi", "State": "UT", "Zip": "84041" } - lang: cURL source: >- curl -X POST https://api.telegent.com/v1.0/numbers/e911address/update \ -H "Authorization: Bearer YOUR_TOKEN" \ -H "Content-Type: application/json" \ -d '{ "PhoneNumber": "+12345678901", "AccountId": "AID-eab92510-1040-45a5-bb9c-xxxx", "Street1": "Street 1", "Street2": "", "City": "Lehi", "State": "UT", "Zip": "84041" }' components: schemas: BadRequest_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 400 Message: type: string nullable: true example: >- Bad request: one or more required fields are missing or contain an invalid value. additionalProperties: false example: StatusCode: 400 Message: >- Bad request: one or more required fields are missing or contain an invalid value. Unauthorized_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 401 Message: type: string nullable: true example: 'Unauthorized: Bearer token is missing, expired, or invalid.' additionalProperties: false example: StatusCode: 401 Message: 'Unauthorized: Bearer token is missing, expired, or invalid.' Forbidden_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 403 Message: type: string nullable: true example: >- Forbidden: your token does not have permission to access this resource. additionalProperties: false example: StatusCode: 403 Message: >- Forbidden: your token does not have permission to access this resource. NotFound_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 404 Message: type: string nullable: true example: >- Not found: the requested resource does not exist or belongs to a different account. additionalProperties: false example: StatusCode: 404 Message: >- Not found: the requested resource does not exist or belongs to a different account. MethodNotAllowed_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 405 Message: type: string nullable: true example: >- Method not allowed: verify the HTTP method required for this endpoint. additionalProperties: false example: StatusCode: 405 Message: 'Method not allowed: verify the HTTP method required for this endpoint.' RequestTimeout_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 408 Message: type: string nullable: true example: >- Request timeout: the server did not receive a complete request in time. additionalProperties: false example: StatusCode: 408 Message: >- Request timeout: the server did not receive a complete request in time. TooManyRequests_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 429 Message: type: string nullable: true example: >- Too many requests: rate limit exceeded. Slow your request cadence and retry. additionalProperties: false example: StatusCode: 429 Message: >- Too many requests: rate limit exceeded. Slow your request cadence and retry. InternalServerError_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 500 Message: type: string nullable: true example: 'Internal server error: an unexpected error occurred.' additionalProperties: false example: StatusCode: 500 Message: 'Internal server error: an unexpected error occurred.' ServiceUnavailable_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 503 Message: type: string nullable: true example: 'Service unavailable: the API is temporarily unavailable.' additionalProperties: false example: StatusCode: 503 Message: 'Service unavailable: the API is temporarily unavailable.' GatewayTimeout_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 example: 504 Message: type: string nullable: true example: 'Gateway timeout: an upstream service did not respond in time.' additionalProperties: false example: StatusCode: 504 Message: 'Gateway timeout: an upstream service did not respond in time.' ````