| Colorado Digital Trunked Radio System (Arapahoe County) -- Project 25 | ||||||||
| Frequency | Licensee or Location | Talkgroup Code | Talkgroup Name | City | State | System Type | Notes | Additional Notes |
| 867.9375 | Deer Trail | 1001 | AC RES ADM | Littleton | CO | Project 25 | Arapahoe Rescue administration | Fire/EMS |
| 868.2375 | Deer Trail | 1003 | AC RES | Littleton | CO | Project 25 | Arapahoe Rescue operations | Fire/EMS |
| 866.5375 | Zap | 1046 | LF OPS4 | Littleton | CO | Project 25 | Littleton Fire operations | Fire/EMS |
| 867.3500 | Zap | 1047 | LF OPS9 | Littleton | CO | Project 25 | Littleton Fire operations | Fire/EMS |
| 868.5125 | Zap | 1048 | LF TRAIN | Littleton | CO | Project 25 | Littleton Fire training | Fire/EMS |
| 868.1750 | Smoky Hill | 1049 | LF ADMIN | Littleton | CO | Project 25 | Littleton Fire administration | Fire/EMS |
| 868.4000 | Smoky Hill | 1851 | LF DISP | Littleton | CO | Project 25 | Littleton Fire dispatch | Fire/EMS |
| 868.6250 | Smoky Hill | 1853 | LF SP/OP6 | Littleton | CO | Project 25 | Littleton Fire special operations | Fire/EMS |
| 868.8750 | Smoky Hill | 1855 | LF SP/OP7 | Littleton | CO | Project 25 | Littleton Fire special operations | Fire/EMS |
| ** | ** | 1857 | LF OPS2 | Littleton | CO | Project 25 | Littleton Fire operations | Fire/EMS |
| ** | ** | 1859 | LF OPS4 | Littleton | CO | Project 25 | Littleton Fire operations | Fire/EMS |
| ** | ** | 1862 | AF TAC3 | Littleton | CO | Project 25 | Aurora Fire operations | Fire/EMS |
| ** | ** | 1863 | LF MED | Littleton | CO | Project 25 | Littleton Fire medical control | Fire/EMS |
| ** | ** | 1786 | SMF DISP | Littleton | CO | Project 25 | South Metro Fire dispatch | Fire/EMS |
| ** | ** | 1787 | SMF OPS3 | Littleton | CO | Project 25 | South Metro Fire operations | Fire/EMS |
| ** | ** | 1788 | SMF OPS5 | Littleton | CO | Project 25 | South Metro Fire operations | Fire/EMS |
| ** | ** | 1789 | SMF OPS7 | Littleton | CO | Project 25 | South Metro Fire operations | Fire/EMS |
| ** | ** | 1864 | AF TAC4 | Littleton | CO | Project 25 | Aurora Fire tactical | Fire/EMS |
| ** | ** | 2159 | SF OPS | Littleton | CO | Project 25 | Sheridan Fire operations | Fire/EMS |
| ** | ** | 3029 | GF OPS | Littleton | CO | Project 25 | Glendale Fire | Fire/EMS |
| ** | ** | 3030 | ACF DISP | Littleton | CO | Project 25 | Arapahoe County Fire training | Fire/EMS |
| ** | ** | 3062 | AC RESCUE | Littleton | CO | Project 25 | Arapahoe Rescue operations | Fire/EMS |
| ** | ** | 3071 | ACF EAST1 | Littleton | CO | Project 25 | Arapahoe County Volunteer Fire - East | Fire/EMS |
| ** | ** | 3072 | ACF EAST2 | Littleton | CO | Project 25 | Arapahoe County Volunteer Fire - East | Fire/EMS |
| ** | ** | 3073 | BYERS FD | Littleton | CO | Project 25 | Byers Fire & Rescue | Fire/EMS |
| ** | ** | 3077 | EFD-1 | Littleton | CO | Project 25 | Englewood Fire dispatch | Fire/EMS |
| ** | ** | 3078 | EFD-2 | Littleton | CO | Project 25 | Englewood Fire operations | Fire/EMS |
| ** | ** | 4122 | SA FGND | Littleton | CO | Project 25 | Sable/Altura Fire fireground | Fire/EMS |
| ** | ** | 2151 | SPD-1 | Littleton | CO | Project 25 | Sheridan Police dispatch | Police |
| ** | ** | 2153 | SPD-2 | Littleton | CO | Project 25 | Sheridan Police operations | Police |
| ** | ** | 2157 | SPD-4 | Littleton | CO | Project 25 | Sheridan Police operations | Police |
| ** | ** | 3001 | ACS DISP | Littleton | CO | Project 25 | Sheriff dispatch | Police |
| ** | ** | 3002 | ACS INFO | Littleton | CO | Project 25 | Sheriff data/records | Police |
| ** | ** | 3003 | ACS OPS-1 | Littleton | CO | Project 25 | Sheriff special operations | Police |
| ** | ** | 3004 | ACS OPS-2 | Littleton | CO | Project 25 | Sheriff special operations | Police |
| ** | ** | 3005 | ACS CAR-1 | Littleton | CO | Project 25 | Sheriff car to car | Police |
| ** | ** | 3006 | ACS EOC | Littleton | CO | Project 25 | Sheriff Emergency Operations Center | Police |
| ** | ** | 3007 | ACS CAR-2 | Littleton | CO | Project 25 | Sheriff car to car | Police |
| ** | ** | 3009 | ACS INV1 | Littleton | CO | Project 25 | Sheriff investigations | Police |
| ** | ** | 3010 | ACS INV2 | Littleton | CO | Project 25 | Sheriff investigations | Police |
| ** | ** | 3013 | ACS SUPV | Littleton | CO | Project 25 | Sheriff supervisors | Police |
| ** | ** | 3014 | ACS CMD | Littleton | CO | Project 25 | Sheriff command | Police |
| ** | ** | 3019 | GVP-1 | Littleton | CO | Project 25 | Greenwood Village Police dispatch | Police |
| ** | ** | 3020 | GVP-2 | Littleton | CO | Project 25 | Greenwood Village Police operations | Police |
| ** | ** | 3021 | GVP DETEC | Littleton | CO | Project 25 | Greenwood Village Police detectives | Police |
| ** | ** | 3022 | GVP SUPV | Littleton | CO | Project 25 | Greenwood Village Police supervisors | Police |
| ** | ** | 3023 | GVP ADMIN | Littleton | CO | Project 25 | Greenwood Village Police administration | Police |
| ** | ** | 3025 | GVP OPS3 | Littleton | CO | Project 25 | Greenwood Village Police operations | Police |
| ** | ** | 3027 | GPD-1 | Littleton | CO | Project 25 | Glendale Police dispatch | Police |
| ** | ** | 3028 | GPD-2 | Littleton | CO | Project 25 | Glendale Police operations | Police |
| ** | ** | 3040 | LPD-1 | Littleton | CO | Project 25 | Littleton Police dispatch | Police |
| ** | ** | 3041 | LPD-2 | Littleton | CO | Project 25 | Littleton Police operations | Police |
| ** | ** | 3042 | LPD-3 | Littleton | CO | Project 25 | Littleton Police operations | Police |
| ** | ** | 3043 | LP SP/OP1 | Littleton | CO | Project 25 | Littleton Police special operations | Police |
| ** | ** | 3044 | LP SUPV | Littleton | CO | Project 25 | Littleton Police supervisors | Police |
| ** | ** | 3059 | CHPD-1 | Littleton | CO | Project 25 | Cherry Hills Police dispatch | Police |
| ** | ** | 3060 | CHPD-1 | Littleton | CO | Project 25 | Cherry Hills Police operations | Police |
| ** | ** | 3075 | EPD-1 | Littleton | CO | Project 25 | Englewood Police dispatch | Police |
| ** | ** | 3076 | EPD-2 | Littleton | CO | Project 25 | Englewood Police operations | Police |
| ** | ** | 3080 | ACS OPS1 | Littleton | CO | Project 25 | Sheriff patrol operations | Police |
| ** | ** | 3081 | ACS OPS2 | Littleton | CO | Project 25 | Sheriff operations | Police |
| ** | ** | 3082 | ACS TNG1 | Littleton | CO | Project 25 | Sheriff training | Police |
| ** | ** | 3083 | ACS TNG2 | Littleton | CO | Project 25 | Sheriff training | Police |
| ** | ** | 3084 | ACS OPS3 | Littleton | CO | Project 25 | Sheriff operations | Police |
| ** | ** | 3085 | ACS OPS4 | Littleton | CO | Project 25 | Sheriff operations | Police |
| ** | ** | 3086 | ACS INV | Littleton | CO | Project 25 | Sheriff investigations | Police |
| ** | ** | 2459 | CSP 1A DISP | Littleton | CO | Project 25 | CSP Troop 1A Dispatch | Police |
| ** | ** | 2461 | CSP 1A TAC | Littleton | CO | Project 25 | CSP Troop 1A Tactical | Police |
| ** | ** | 3016 | AC BLDG MNT | Littleton | CO | Project 25 | County building maintenance | Services |
| ** | ** | 3017 | AC ROAD1 | Littleton | CO | Project 25 | County road maintenance | Services |
| ** | ** | 3018 | AC ROAD2 | Littleton | CO | Project 25 | County road maintenance | Services |
| ** | ** | 3997 | METRO NET | Littleton | CO | Project 25 | Metro Net (comm center common) | Common |
| ** | ** | 4000 | MAC 1 MET | Littleton | CO | Project 25 | Metro Denver mutual aid | Common |
| ** | ** | 4001 | MAC 2 MET | Littleton | CO | Project 25 | Metro Denver mutual aid | Common |
| ** | ** | 4002 | MAC 3 MET | Littleton | CO | Project 25 | Metro Denver mutual aid | Common |
| ** | ** | 4003 | MAC 4 MET | Littleton | CO | Project 25 | Metro Denver mutual aid | Common |
| ** | ** | 168 | EMSMAC | Littleton | CO | Project 25 | Statewide EMS mutual aid | Common |
| ** | ** | 4020 | MAC 21 | Littleton | CO | Project 25 | Statewide mutual aid | Common |
| ** | ** | 8161 | ERMAC | Littleton | CO | Project 25 | Statewide Hospital mutual aid | Common |
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