| Business | Phone |
| Assembly Of God Church 218 8th St, Williams 95987 | (530) 473-5615 |
| First Baptist Church-Williams 251 8th St, Williams 95987 | (530) 473-5672 |
| Glenn Colusa Hispanic Ministry 936 G St, Williams 95987 | (530) 473-2400 |
| Jehovah Witness Kingdom Hall 150 Crawford Rd, Williams 95987 | (530) 473-3187 |
| Methodist Church Parkside 936 G St, Williams 95987 | (530) 473-5903 |
| Neighborhood Church 606 12th St, Williams 95987 | (530) 473-2544 |
| Williams Community Church 315 9th St, Williams 95987 | (530) 473-5913 |
| Sacred Heart Church 615 8, Williams 95987 | (530) 473-2925 |