---
title: What phone number format should the mobile field use?
description: "Any reasonable format works. Messages are sent to whatever digits are present in the field, so keeping numbers consistent (with country code where possible) gives the most reliable results, especially for incoming reply matching. ### More Related Articles - [What…"
url: "https://www.smsgatewaycenter.com/blog/kb/what-phone-number-format-should-the-mobile-field-use/"
updated: "2026-08-29"
category: Integrations / Salesforce CRM Messaging Integration / Sending Messages
---

# What phone number format should the mobile field use?

Any reasonable format works. Messages are sent to whatever digits are present in the field, so keeping numbers consistent (with country code where possible) gives the most reliable results, especially for incoming reply matching.

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