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  3. Southwest Gas DT3

Southwest Gas DT3

System Name: Southwest Gas DT3
Location: Las Vegas, AZ CA NV
County: 23 Counties
System Type: DMR Tier 3 Capacity Max
System Voice: DMR
System ID: HEX: H2 DEC: H2
Last Updated: February 4, 2026, 07:34 am UTC   [Changed Site # 040 (H2-40 Victorville) to 40 (H2-40 Victorville)]
System Notes

Southwest Gas provides natural gas service to Arizona, Nevada, and portions of California.

SWG-Territory-Map-03-2022.pdf
FCC Callsigns Map Site Locations Report

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name County Freqs
001 (1) H2-01 Mount Ord Gila, AZ 857.3125859.3125c  
002 (2) H2-02 Towers Mountain Yavapai, AZ 856.3125c857.3625  
003 (3) H2-03 Smith Peak La Paz, AZ 855.8375c857.9125  
004 (4) H2-04 Shaw Butte Maricopa, AZ 858.8125860.3875c860.7875860.8375
005 (5) H2-05 Usery Pass Maricopa, AZ 857.9125c859.3625860.3625 
006 (6) H2-06 South Mountain Maricopa, AZ 855.0375c857.3375858.3625 
007 (7) H2-07 White Tanks Maricopa, AZ 854.7625c856.3875857.8625 
021 (15) H2-21 Pinal Peak Gila, AZ 855.8125c858.3875  
022 (16) H2-22 Mule Mountain Cochise, AZ 856.2375857.2125c  
024 (18) H2-24 Telegraph Pass Yuma, AZ 856.2625c857.2125  
025 (19) H2-25 Casa Grande Office Pinal, AZ 856.9125857.3625c860.4125 
026 (1A) H2-26 Sierra Vista Office Cochise, AZ 856.2125c857.2125  
027 (1B) H2-27 Morenci Yard Greenlee, AZ 855.3875c856.8875  
029 (1D) H2-29 Tucson Mountain Pima, AZ 856.2375856.3875c857.2375 
030 (1E) H2-30 Mount Lemmon Pima, AZ 854.200c856.9125858.8375 
040 (28) H2-40 Victorville San Bernardino, CA 854.100854.7625c  
041 (29) H2-41 Barstow San Bernardino, CA 854.9375c858.4125  
042 (2A) H2-42 Bertha Peak San Bernardino, CA 855.075c856.325  
042 (2A) H2-43 Lucerne Valley San Bernardino, CA 854.325854.700  
060 (3C) H2-60 Slide Mountain Washoe, NV 855.1375c856.8875  
061 (3D) H2-61 Eagle Ridge Lyon, NV 856.2875c857.2875  
062 (3E) H2-62 Toulon Peak Pershing, NV 855.3875c856.3875  
063 (3F) H2-63 Winnemucca Mtn Humboldt, NV 855.3125c856.3125  
064 (40) H2-64 Mount Lewis Lander, NV 855.4125c856.4125  
065 (41) H2-65 Elko Mountain Elko, NV 855.8625c856.8625  
066 (42) H2-66 Elko Office Elko, NV 855.9125c856.9125  
067 (43) H2-67 Genoa Peak Douglas, NV 855.8375c856.8375  
068 (44) H2-68 Mount Pluto Placer, CA 855.8125c856.8125  
081 (51) H2-81 Christmas Tree Pass Clark, NV 861.0625c861.3625  
082 (52) H2-82 Parker Mountain La Paz, AZ 855.3375c858.8625  
083 (53) H2-83 Cunningham Peak La Paz, AZ 855.1875c856.4125  
084 (54) H2-84 Cabin Canyon Clark, NV 854.0625856.7875c858.8625 
085 (55) H2-85 Frenchman Mountain Clark, NV 854.175855.3625c856.6875 
086 (56) H2-86 Potosi Mountain Clark, NV 854.4375c856.0375861.400 
Talkgroup Category Report

Talkgroups

Central Arizona
DEC Mode Alpha TagDescriptionTag
401TPhoenix DispPhoenix DispatchUtilities
402TSW Gas 402Central Arizona 402Utilities
440TSW Gas 440Central Arizona 440Utilities
Northern Nevada
DEC Mode Alpha TagDescriptionTag
300TReno DispatchReno DispatchUtilities
340TSW Gas 340N. Nevada 340Utilities
345TSW Gas 345N. Nevada 345Utilities
355TSW Gas 355N. Nevada 355Utilities
Southern Arizona
DEC Mode Alpha TagDescriptionTag
500TTucson DispatchTucson DispatchUtilities
545TPinal DispatchPinal County DispatchUtilities
Southern California
DEC Mode Alpha TagDescriptionTag
100TVictorville DispVictorville DispatchUtilities
Southern Nevada
DEC Mode Alpha TagDescriptionTag
200TLas Vegas DispLas Vegas DispatchUtilities
240TSW Gas 240S. Nevada 240Utilities
Systemwide
DEC Mode Alpha TagDescriptionTag
11TRadio Techs 11Radio Techs 11 (Clark County, NV)Utilities
14TRadio Techs 14Radio Techs 14 (Clark County, NV)Utilities
90TSecurity 90Security (Systemwide)Security
91TRadio Techs 91Radio Techs 91 (Washoe County, NV)Utilities