Verizon New Jersey’s new customer call center is being built in Hamilton by Cranford-based real estate investment trust Mack-Cali Realty Corp. The $10.7 million, 95,000-sf facility is located in Mack-Cali’s Horizon Center Business Park. Construction on the single-story property is slated for completion in the fourth quarter of 2002. Verizon New Jersey is a division of Verizon Communications.