| Business | Phone |
| Mercer Council Alcoholism 2681 Quakerbridge Rd, Trenton 8619 | (609) 396-5874 |
| Mill Hill Playhouse Front & Montgomeryamp;, Trenton 8608 | (609) 989-3038 |
| Pact & Administrative Offices 47 N Clinton Ave, Trenton 8609 | (609) 394-5285 |
| Temple-Ryan House 27 Federal City Rd, Trenton 8638 | (609) 530-1220 |
| Trenton Animal Shelter 72 Escher St, Trenton 8609 | (609) 989-3254 |
| Trenton City East Ward Senior 475 Morris Ave, Trenton 8611 | (609) 989-3467 |
| Trenton City Msgr Lipinski 19 Heil Ave, Trenton 8638 | (609) 989-3465 |
| Trenton Reading Senior Citizen 15 Ringold St, Trenton 8618 | (609) 989-3495 |
| Trenton Samuel Napels Comm Center 611 Chestnut Ave, Trenton 8611 | (609) 989-3472 |
| Trenton Senior Citizen Social 15 Ringold St, Trenton 8618 | (609) 989-3448 |
| Trenton South Ward Senior 870 S Broad St, Trenton 8611 | (609) 989-3466 |
| Us Traffic & Parking Div 319 E State St, Trenton 8608 | (609) 989-3612 |
| Ewing Township Community Center 320 Hollowbrook Rd, Trenton 8638 | (609) 883-8254 |
| Ewing Township Health Office 2 Municipal Dr, Trenton 8628 | (609) 883-2900 |
| Ewing Township Senior Citizens 320 Hollowbrook Rd, Trenton 8638 | (609) 883-1009 |
| Hamilton Township Engineering 2090 Greenwood Ave, Trenton 8609 | (609) 890-3636 |
| Hamilton Township Planning 2090 Greenwood Ave, Trenton 8609 | (609) 890-3674 |
| Hamilton Twp Accounts & Cntrls 2090 Greenwood Ave, Trenton 8609 | (609) 890-3689 |
| Hamilton Twp Animal Shelter 2100 Sylvan Ave, Trenton 8610 | (609) 890-3550 |
| Hamilton Twp Deed Recording 2090 Greenwood Ave, Trenton 8609 | (609) 890-3643 |
| Hamilton Twp General Info 2090 Greenwood Ave, Trenton 8609 | (609) 890-3500 |
| Hamilton Twp Legal Dept 2090 Greenwood Ave, Trenton 8609 | (609) 890-3882 |
| Hamilton Twp Personnel Dept 2090 Greenwood Ave, Trenton 8609 | (609) 890-3699 |
| Hamilton Twp Prosecutor's Office 2090 Greenwood Ave, Trenton 8609 | (609) 581-4071 |
| Hamilton Twp Voter Rgstrtn 2090 Greenwood Ave, Trenton 8609 | (609) 890-3622 |
| Building Inspector 300 Bordentown Chesterfield Rd, Trenton 8620 | (609) 298-0426 |
| Chesterfield Twp Clerk 300 Bordentown Chesterfield Rd, Trenton 8620 | (609) 298-2311 |
| Columbus Park Citizen Center 450 Chestnut Ave, Trenton 8611 | (609) 989-3463 |