The Sullivan County HEAP Office can be reached at 845-807-0142 or heap @sullivanny.us. The fax number is 845-292-4651. ... Phone: (845) 794-3000 Contact Us. Navigation. Government. Disclaimer: HCAP does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), nation orgin, age (40 or older),. You should dial 611 from your Assurance Wireless phone or call 1-888-321-5880 to reach a customer care representative. It is also possible to purchase monthly data packs by visiting My Account on your phone. The Assurance Wireless monthly data packs that you can buy include Monthly data packs are valid for 30 days from the date of purchase. If your income level meets the program guidelines, and you need help with energy-related costs, it may be worth checking out the amount of available LIHEAP funds in your area. Below is the contact information for program directors in all 50 states, DC, the 5 territories and 150+ tribal communities in which the program is available.