Central Office Codes

Exchange	Rate Center	State	Operating Company
475-203		CT
475-211		CT
475-311		CT
475-411		CT
475-475		CT
475-511		CT
475-555		CT
475-611		CT
475-700		CT
475-711		CT
475-811		CT
475-911		CT
475-950		CT
475-958		CT
475-959		CT
475-976		CT