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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


Porting Numbers to CallTower

(Active / Post‑Implementation Customers)


Step 1: Complete the Porting Template

Include the following information:

Numbers & Configuration

  • 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 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:

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:

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.

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