620 North Main Street
Belmont, NC 28012 (Gaston county)

That’s just one of the welcome centers. I don’t think that there is a main address, but many little welcome centers

Welcome Center Locations and Contacts

Wally Wazan, Director of Visitor Services

Address:
301 N. Wilmington St.
Raleigh, NC 27601

Mailing Address:
4324 Mail Service Center
Raleigh, NC 27699-4324

Visit The Dept. of Transportation’s website to view a map of Welcome Center locations.

Tina Best
Manager/Certified Travel Information Counselor, I-40 West
Division of Tourism, Film & Sports Development
I-40 Welcome Center
Box 809
Waynesville, NC 28786
(828) 627-6206
Fax: (828) 627-0868

Oma F. Boyd
Manager/Certified Travel Information Counselor, I-77 North
Division of Tourism, Film & Sports Development
I-77 North Welcome Center
Box 1066
Dobson, NC 27017
(336) 320-2181
Fax: (336) 320-3038

Demetrius Hunt
Manager/Certified Travel Information Counselor, I-95 South
Division of Tourism, Film & Sports Development
I-95 South Welcome Center
Box 999
Rowland, NC 28383
(910) 422-8314
Fax: (910) 422-9599

Edith Jenkins
Manager/Certified Travel Information Counselor, I-95 North
Division of Tourism, Film & Sports Development
I-95 North Welcome Center
Box 52 (UPS: 1 Southbound I-95 Pleasant Hill, NC 27866)
Roanoke Rapids, NC 27870
(252) 537-3365
Fax: (252) 537-0029

Mary Perkinson
Manager/Certified Travel Information Counselor, I-85 North
Division of Tourism, Film & Sports Development
I-85 North Welcome Center
Box 156
Norlina, NC 27563
(252) 456-3236
Fax: 252 456-4551

Margaret Ritchey
Manager/Certified Travel Information Counselor, I-26 East
Division of Tourism, Film & Sports Development
I-26 East Welcome Center
Box 249
Columbus, NC 28722
(828) 894-2120
Fax: (828) 894-5277

Vickie Sealock
Manager/Certified Travel Information Counselor, I-26 West
Division of Tourism, Film & Sports Development
I-26 West Welcome Center
Box 1210
Mars Hill, NC 28754
(828) 689-4257
Fax: (828) 689-4382

Position Vacant
Manager/Certified Travel Information Counselor, I-77 South
Division of Tourism, Film & Sports Development
I-77 South Welcome Center
PO Box 410724
Charlotte, NC 28241
(704) 588-2660
Fax: (704) 588-8965

Donna Williams
Manager/Certified Travel Information Counselor, I-85 South
Division of Tourism, Film & Sports Development
I-85 South Welcome Center
5 Northbound I-85
Kings Mountain, NC 28086
(704) 937-7861
Fax: (704) 937-9829

check this website out, it’ll probably have what you need

good luck

It looks like I find the same site as Snow. They also have phone numbers and email adresses.
Phone:
(800) VISITNC (847-4862)
(919) 733-4171
(919) 733-4172

Fax: (919) 733-8582

Web address:

i am not sure

Building Location: 301 North Wilmington Street
Raleigh, NC 27601-1058 Mailing Address: 4301 Mail Service Center
Raleigh, NC 27699-4301