---
title: "Audiences: Filtering Subscribers Using Custom Fields"
description: Add and manage custom fields for Short Code subscribers, upload and map field data, and target campaigns by state or ZIP code for more personalized, location-based messaging.
---

[Skip to content](https://support.scaletowin.com/short-code-filtering-subscribers#main-content)

English

Show submenu for translations

[![stw\_logo\_navy\_fullcolor-4](https://support.scaletowin.com/hs-fs/hubfs/stw_logo_navy_fullcolor-4.png?width=160&height=104&name=stw_logo_navy_fullcolor-4.png)](https://www.scaletowin.com/)

Open main navigation

Close main navigation

- English
  
  Show submenu for translations
- [Contact us](https://support.scaletowin.com/contact)

[Contact us](https://support.scaletowin.com/contact?hsLang=en)

 Hi! How can we help?

- There are no suggestions because the search field is empty.

1. [Scale to Win](https://support.scaletowin.com/?hsLang=en)
2. [Scale to Win Text](https://support.scaletowin.com/scale-to-win-text?hsLang=en)
3. [Creating Text Campaigns](https://support.scaletowin.com/scale-to-win-text?hsLang=en#creating-text-campaigns)

# Audiences: Filtering Subscribers Using Custom Fields

| **Table of Contents** |
| --- |
| - [Adding Custom Fields to Subscribers](https://support.scaletowin.com/short-code-filtering-subscribers#adding_custom) - [Upload Custom Field Values To Your Subscribers](https://support.scaletowin.com/short-code-filtering-subscribers#upload_custom) - [Filter & Target Subscribers by Location](https://support.scaletowin.com/short-code-filtering-subscribers#filter_targer) - [ActBlue and ActionKit Subscribers](https://support.scaletowin.com/short-code-filtering-subscribers#actblue_action) - [API Subscribers](https://support.scaletowin.com/short-code-filtering-subscribers#api_sub) - [How To Target Subscribers Based On Location](https://support.scaletowin.com/short-code-filtering-subscribers#how_to_target) - [Suggested Articles](https://support.scaletowin.com/short-code-filtering-subscribers#suggested_articles) |

The Custom Fields Feature allows you to add custom contact fields to your [Audiences](https://support.scaletowin.com/audiences?hsLang=en). You can use custom fields as merge fields in your initial texts and response scripts when you have custom field values in your subscriber list.

#### **Adding Custom Fields to Subscribers**

**1.** Navigate to your **Audiences** page.  
**2.** Click **Audience Settings**.

![](https://support.scaletowin.com/hs-fs/hubfs/undefined-Mar-31-2026-04-55-56-0998-PM.png?width=594&height=251&name=undefined-Mar-31-2026-04-55-56-0998-PM.png)

**3.** Scroll down to **Contact Fields** and click **+ Add Custom Field.**

**![](https://support.scaletowin.com/hs-fs/hubfs/undefined-Jan-13-2026-11-15-30-9835-PM.png?width=595&height=391&name=undefined-Jan-13-2026-11-15-30-9835-PM.png)**

**4.** Enter a field name and choose a type: **Text, Number, Single Select**, or **True/False**. Once created, click **Create Custom Field**.

- - For **Text** customer fields, use the max character length default or update max length
    - For **Single Select** custom fields, add the dropdown options you want to include

[![](https://support.scaletowin.com/hs-fs/hubfs/undefined-Jan-13-2026-11-16-16-6800-PM.png?width=515&height=370&name=undefined-Jan-13-2026-11-16-16-6800-PM.png)](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/66106389233/original/YGbDVIg4EBpFP4R0kUvsbagUNCVzpzwpkg.png?1756158521)

**5\.** To edit a custom field, click the pencil icon next to it.   
**You can edit:** 

- - **Custom Field Name**
    - **For Text fields: Max length**
    - **For Single Select Fields: The options listed**

**Note:** If you remove an option, it will be removed from all contacts it was assigned to and left blank on the record.

Custom **Field Type** cannot be changed after creation. To modify a custom field's type, you must delete the existing field and create a new one. 

#### **Upload Custom Field Values To Your Subscribers**

**1.** Navigate to your **Audiences** page and click the **Add Contacts** button.

![](https://support.scaletowin.com/hs-fs/hubfs/undefined-Mar-31-2026-04-56-49-6575-PM.png?width=594&height=252&name=undefined-Mar-31-2026-04-56-49-6575-PM.png)

**2\.** Choose **File Upload** as your Upload Method.

![Screenshot 2026-08-04 at 1.29.37 PM](https://support.scaletowin.com/hs-fs/hubfs/Screenshot%202026-08-04%20at%201.29.37%20PM.png?width=471&height=237&name=Screenshot%202026-08-04%20at%201.29.37%20PM.png)

**3\.** Upload your CSV including a column for your custom field.  
**4.** Map column names to your custom fields.   
**5.** Click **Upload**.

![Screenshot 2026-08-04 at 1.30.37 PM](https://support.scaletowin.com/hs-fs/hubfs/Screenshot%202026-08-04%20at%201.30.37%20PM.png?width=572&height=588&name=Screenshot%202026-08-04%20at%201.30.37%20PM.png)

**Note:** If you are re-uploading existing subscribers, we will append new field information to the contact and overwrite existing information.

### Suggested Articles:

- [Short Code: Build Your Subscriber List](https://support.scaletowin.com/short-code-build-your-subscriber-list?hsLang=en)
- [ActionKit Sync: Short Code Opt-Ins](https://support.scaletowin.com/action-kit-sync-short-code-opt-ins?hsLang=en)
- [ActBlue Sync: Short Code Opt-Ins](https://support.scaletowin.com/actblue-sync-short-code-opt-ins?hsLang=en)

<https://scaletowin.freshdesk.com/support/tickets/new>

- [Scale to Win Text](https://support.scaletowin.com/scale-to-win-text?hsLang=en#main-content)

    - [Getting Started](https://support.scaletowin.com/scale-to-win-text?hsLang=en#getting-started)
    - [Creating Text Campaigns](https://support.scaletowin.com/scale-to-win-text?hsLang=en#creating-text-campaigns)
    - [Navigating Your Menu & Features](https://support.scaletowin.com/scale-to-win-text?hsLang=en#navigating-your-menu-features)
    - [Integrations & Data Management](https://support.scaletowin.com/scale-to-win-text?hsLang=en#integrations-data-management)
    - [Best Practices, Troubleshooting & FAQs](https://support.scaletowin.com/scale-to-win-text?hsLang=en#best-practices-troubleshooting-faqs)
    - [Glossary](https://support.scaletowin.com/scale-to-win-text?hsLang=en#glossary)
- [Scale To Win Text | Phone Number Registration](https://support.scaletowin.com/scale-to-win-text-phone-number-registration?hsLang=en#main-content)

    - [10DLC](https://support.scaletowin.com/scale-to-win-text-phone-number-registration?hsLang=en#10dlc)
    - [Short Code](https://support.scaletowin.com/scale-to-win-text-phone-number-registration?hsLang=en#short-code)
    - [Compliance Guidelines](https://support.scaletowin.com/scale-to-win-text-phone-number-registration?hsLang=en#compliance-guidelines)
- [Scale To Win Text | Phone Number Types](https://support.scaletowin.com/scale-to-win-text-phone-number-types?hsLang=en#main-content)

    - [10DLC](https://support.scaletowin.com/scale-to-win-text-phone-number-types?hsLang=en#10dlc)
    - [Short Code](https://support.scaletowin.com/scale-to-win-text-phone-number-types?hsLang=en#short-code)
- [Scale To Win Text | Guides for Texters](https://support.scaletowin.com/scale-to-win-text-guides-for-texters?hsLang=en#main-content)

    - [Getting Started](https://support.scaletowin.com/scale-to-win-text-guides-for-texters?hsLang=en#getting-started)
    - [Texter View](https://support.scaletowin.com/scale-to-win-text-guides-for-texters?hsLang=en#texter-view)
- [Scale to Win Dialer](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#main-content)

    - [Getting Started](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#getting-started)
    - [Creating Call Campaigns](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#creating-call-campaigns)
    - [Features](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#features)
    - [Navigating Your Menu](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#navigating-your-menu)
    - [Managing Call Campaigns](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#managing-call-campaigns)
    - [Integrations & Data Management](https://support.scaletowin.com/scale-to-win-dialer?hsLang=en#integrations-data-management)
- [Caller Academy | Guides for Callers](https://support.scaletowin.com/caller-academy-guides-for-callers?hsLang=en#main-content)

    - [Getting Started](https://support.scaletowin.com/caller-academy-guides-for-callers?hsLang=en#getting-started)
    - [Making Calls & Clicking](https://support.scaletowin.com/caller-academy-guides-for-callers?hsLang=en#making-calls-clicking)
- [Billing](https://support.scaletowin.com/billing?hsLang=en#main-content)

    - [Setting up your billing portal](https://support.scaletowin.com/billing?hsLang=en#setting-up-your-billing-portal)
    - [Payment Methods](https://support.scaletowin.com/billing?hsLang=en#payment-methods)
    - [Understanding Charges](https://support.scaletowin.com/billing?hsLang=en#understanding-charges)

[![stw\_logo\_navy\_fullcolor-3](https://support.scaletowin.com/hs-fs/hubfs/stw_logo_navy_fullcolor-3.png?width=100&height=65&name=stw_logo_navy_fullcolor-3.png "stw_logo_navy_fullcolor-3")](http://scaletowin.com)

<https://www.facebook.com/ScaleToWin/> <https://x.com/ScaleToWin> <https://www.instagram.com/>

Copyright © 2025, Scale to Win