--- title: "How to Initiate a Port Order or Request New Numbers" slug: "how-to-initiate-a-port-order-or-request-new-numbers" tags: ["calltower", "public"] updated: 2026-07-27T14:13:24Z published: 2026-07-27T14:13:24Z canonical: "learn.calltower.com/how-to-initiate-a-port-order-or-request-new-numbers" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://learn.calltower.com/llms.txt > Use this file to discover all available pages before exploring further. # How to Initiate a Port Order or Request New Numbers ## Purpose This guide provides a **quick‑start process** for initiating: - **Port orders** (moving numbers to CallTower), or - **New number orders** (DIDs or Toll‑Free numbers) The goal is to ensure requests are: - Sent to the **correct inbox** - Submitted with **complete and accurate information** - Not delayed due to intake or routing errors This guide covers **how to start** the request correctly. --- ## Who Should Use This Guide This guide is intended for: - **Active (post‑implementation) customers** - **Customers currently in implementation** - Internal teams assisting with number intake and routing --- ## Start Here: Customer Status Matters Before initiating a request, determine the customer’s status. **Customers Post‑Implementation** - May **port numbers** or **order new numbers** - Requests are submitted using templates and email **Customers In Implementation** - Must continue sending **port and DID requests directly to their assigned IPM** - Do **not** email [Numbers@calltower.com](mailto:Numbers@calltower.com) or [Support@calltower.com](mailto:Support@calltower.com) --- ## Porting Numbers to CallTower **(Active / Post‑Implementation Customers)** --- **Step 1: Complete the Porting Template** Include the following information: **Numbers &** - **DIDs to port:** 10‑digit format only (no spaces) - **CNAM:** Maximum 15 characters (including spaces, no special characters) **Location Details** - **Location Name** - **Location Address** (required for new locations) **Product** - CT Cloud SIP - Global SIP - Teams OC - Teams DR - Webex CCP - Cisco - Other applicable product **Additional Information (if applicable)** - IP routing - Existing trunks - “Build Like” number - SMS requirements **Requested Port Timing** - **Requested Port Date:** MM/DD/YY (Monday–Friday only) - **Requested Port Time:** - Monday–Thursday: 8:00am–5:00pm ET - Friday: 8:00am–2:00pm ET --- **Required Documents & Additional Information** - ✅ **LOA (Letter of Authorization)** - ✅ **Most recent invoice or CSR (Customer Service Record)** from the current carrier **Non‑US Ports** - Additional documentation may be required, such as: - In‑country LOA - Proof of identity - Business registration documents - Port time **cannot be selected** for international ports; timing is set by country --- **Step 2: Email CallTower** Send your completed request to the correct inbox: - **New locations:** → [**Support@calltower.com**](mailto:Support@calltower.com) - **Existing locations:** → [**Numbers@calltower.com**](mailto:Numbers@calltower.com) Include: - Completed porting template - All required documents The **LNP Team** will advise if additional information is required. This email thread will be the **primary communication method** throughout the life of the port order. --- ## Ordering New Numbers from CallTower --- **Step 1: Complete the New Number Template** Include the following: **Number Details** - **City / State / Country** - **Desired NPA / NXX** - **Quantity requested** - **Consecutive numbers:** Yes or No - *(A $50 fee applies for consecutive Global orders)* **CNAM** - Maximum 15 characters (including spaces, no special characters) **Location Details** - **Location Name** - **Location Address** (required for new locations) **Product** - CT Cloud SIP - Global SIP - Teams OC - Teams DR - WebEX CCP - Cisco - Other applicable product **Additional Information** - Build‑like number - Area code preference - Other relevant notes --- **Step 2: Email CallTower** Send your completed request to: - **New locations:** → [**Support@calltower.com**](mailto:Support@calltower.com) - **Existing locations:** → [**Numbers@calltower.com**](mailto:Numbers@calltower.com) Include: - Completed new number template - Any required supporting documentation The **LNP Team** will advise if additional information is required. This email thread will be the **primary communication method** throughout the life of the order. --- ## Important Notes & Common Pitfalls - Do not combine **new number orders** and **port requests** in the same submission - Ensure templates are **fully completed** before emailing - Requests missing required details or documents may be delayed - Always verify whether a **new location** is required before submitting --- ## Final Note Starting with the correct template, inbox, and customer status is the fastest way to ensure your number request is processed efficiently. Accurate intake prevents rework, delays, and unnecessary back‑and‑forth. ## Blank LOA [BLANK CallTowerLOA.docx](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/BLANK_CallTowerLOA.docx?sv=2026-02-06&spr=https&st=2026-11-04T22%3A55%3A47Z&se=2026-11-04T23%3A55%3A47Z&sr=c&sp=r&sig=%2BmJ6vAe9nwSHP6I4kh13lE0ztA%2BcKPlxjO9S6rQHwOU%3D) Direct Inward Dialing (DID) is a telecommunication service that allows a phone number to be assigned to a specific phone line within a private branch exchange (PBX), enabling direct calls to that line without going through a receptionist. Session Initiation Protocol, is the technology that starts, manages, and ends internet-based phone calls and video meetings between people and devices. Webex is a suite of online meeting, web conferencing, and video conferencing applications developed by Cisco.