---
title: "Table 5051 Contact Alt. Address"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/table/5051-contact-alt-address/
type: table
id: 5051
name: "Contact Alt. Address"
app: "Base Application"
namespace: Microsoft.CRM.Contact
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/table/5051-contact-alt-address/source/29/"
checked: 2026-09-20
subject: "Microsoft Dynamics 365 Business Central"
license: "Content © 2026 Jonas Paprotka. Quote freely with attribution and a link."
---

# Table 5051 Contact Alt. Address

Jonas Paprotka, https://jonas-paprotka.de/ref/table/5051-contact-alt-address/

| | |
| --- | --- |
| App | Base Application |
| Namespace | Microsoft.CRM.Contact |
| Versions | 17-28 |
| Source file | CRM/Contact/ContactAltAddress.Table.al |

## Fields

| Id | Name | Type | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| 1 | Contact No. | Code[20] | 17-28 | - | - |
| 2 | Code | Code[10] | 17-28 | - | - |
| 3 | Company Name | Text[100] | 17-28 | - | - |
| 4 | Company Name 2 | Text[50] | 17-28 | - | - |
| 5 | Address | Text[100] | 17-28 | - | - |
| 6 | Address 2 | Text[50] | 17-28 | - | - |
| 7 | City | Text[30] | 17-28 | - | - |
| 8 | Post Code | Code[20] | 17-28 | - | - |
| 9 | County | Text[30] | 17-28 | - | - |
| 10 | Country/Region Code | Code[10] | 17-28 | - | - |
| 12 | Phone No. | Text[30] | 17-28 | - | - |
| 13 | Telex No. | Text[20] | 17-28 | - | - |
| 14 | Extension No. | Text[30] | 17-28 | - | - |
| 15 | Mobile Phone No. | Text[30] | 17-28 | - | - |
| 16 | Pager | Text[30] | 17-28 | - | - |
| 17 | E-Mail | Text[80] | 17-28 | - | - |
| 18 | Home Page | Text[255] | 17-28 | - | - |
| 19 | Fax No. | Text[30] | 17-28 | - | - |
| 20 | Telex Answer Back | Text[20] | 17-28 | - | - |
| 21 | Last Date Modified | Date | 17-28 | - | - |
| 22 | Search E-Mail | Code[80] | 17-28 | - | - |

## Keys

| Name | Fields | Versions |
| --- | --- | --- |
| Key1, clustered | Contact No., Code | 17-28 |
| Key2 | Search E-Mail | 17-28 |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnBeforeValidatePostPode | (var Record Contact Alt. Address, var Boolean) | 19-23 | Pending 21.0 | Replaced by event OnBeforeValidatePostCode() |
| Integration event | OnAfterLookupPostCode | (var Record Contact Alt. Address, Integer, var Record Post Code) | 21-28 | - | - |
| Integration event | OnBeforeValidateCity | (var Record Contact Alt. Address, var Record Post Code, Integer, var Boolean) | 21-28 | - | - |
| Integration event | OnBeforeValidatePostCode | (var Record Contact Alt. Address, var Record Post Code, Integer, var Boolean) | 21-28 | - | - |

## Source

Symbols: Microsoft.BaseApplication.symbols.437dbf0e-84ff-417a-965d-ed2bb9650972, https://dynamicssmb2.pkgs.visualstudio.com/DynamicsBCPublicFeeds/_packaging/MSSymbols/nuget/v3/index.json, highest build per major on 2026-09-20.
AL source 29: https://github.com/microsoft/BCApps, MIT, releases/29.x at a66254c3b8b5bb1cea290dc8f9d097aec4381153.

Jonas Paprotka, 2026-09-20.