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: June 20, 2026, 06:21 am UTC   [Changed Site # 043 (H2-43 Lucerne Valley) to 43 (H2-43 Lucerne Valley)]
System Notes

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

SWG-Territory-Map-03-2022.pdf

Sites and Frequencies

Key:###.####Ctrl control channel
SiteNameCountyFrequencies
001 (1)H2-01 Mount OrdGila, AZ
2 freqs · 1 control
859.3125Ctrl857.3125
002 (2)H2-02 Towers MountainYavapai, AZ
2 freqs · 1 control
856.3125Ctrl857.3625
003 (3)H2-03 Smith PeakLa Paz, AZ
2 freqs · 1 control
855.8375Ctrl857.9125
004 (4)H2-04 Shaw ButteMaricopa, AZ
4 freqs · 1 control
860.3875Ctrl858.8125860.7875860.8375
005 (5)H2-05 Usery PassMaricopa, AZ
3 freqs · 1 control
857.9125Ctrl859.3625860.3625
006 (6)H2-06 South MountainMaricopa, AZ
3 freqs · 1 control
855.0375Ctrl857.3375858.3625
007 (7)H2-07 White TanksMaricopa, AZ
3 freqs · 1 control
854.7625Ctrl856.3875857.8625
021 (15)H2-21 Pinal PeakGila, AZ
2 freqs · 1 control
855.8125Ctrl858.3875
022 (16)H2-22 Mule MountainCochise, AZ
2 freqs · 1 control
857.2125Ctrl856.2375
024 (18)H2-24 Telegraph PassYuma, AZ
2 freqs · 1 control
856.2625Ctrl857.2125
025 (19)H2-25 Casa Grande OfficePinal, AZ
3 freqs · 1 control
857.3625Ctrl856.9125860.4125
026 (1A)H2-26 Sierra Vista OfficeCochise, AZ
2 freqs · 1 control
856.2125Ctrl857.2125
027 (1B)H2-27 Morenci YardGreenlee, AZ
2 freqs · 1 control
855.3875Ctrl856.8875
028 (1C)H2-28 Ajo TowerPima, AZ
2 freqs · 1 control
854.7625Ctrl855.5875
029 (1D)H2-29 Tucson MountainPima, AZ
3 freqs · 1 control
856.3875Ctrl856.2375857.2375
030 (1E)H2-30 Mount LemmonPima, AZ
3 freqs · 1 control
854.200Ctrl856.9125858.8375
040 (28)H2-40 VictorvilleSan Bernardino, CA
2 freqs · 1 control
854.7625Ctrl854.100
041 (29)H2-41 BarstowSan Bernardino, CA
2 freqs · 1 control
854.9375Ctrl858.4125
042 (2A)H2-42 Bertha PeakSan Bernardino, CA
2 freqs · 1 control
855.075Ctrl856.325
043 (2B)H2-43 Lucerne ValleySan Bernardino, CA
2 freqs · 1 control
854.325Ctrl854.700
060 (3C)H2-60 Slide MountainWashoe, NV
2 freqs · 1 control
855.1375Ctrl856.8875
061 (3D)H2-61 Eagle RidgeLyon, NV
2 freqs · 1 control
856.2875Ctrl857.2875
062 (3E)H2-62 Toulon PeakPershing, NV
2 freqs · 1 control
855.3875Ctrl856.3875
063 (3F)H2-63 Winnemucca MtnHumboldt, NV
2 freqs · 1 control
855.3125Ctrl856.3125
064 (40)H2-64 Mount LewisLander, NV
2 freqs · 1 control
855.4125Ctrl856.4125
065 (41)H2-65 Elko MountainElko, NV
2 freqs · 1 control
855.8625Ctrl856.8625
066 (42)H2-66 Elko OfficeElko, NV
2 freqs · 1 control
855.9125Ctrl856.9125
067 (43)H2-67 Genoa PeakDouglas, NV
2 freqs · 1 control
855.8375Ctrl856.8375
068 (44)H2-68 Mount PlutoPlacer, CA
2 freqs · 1 control
855.8125Ctrl856.8125
081 (51)H2-81 Christmas Tree PassClark, NV
2 freqs · 1 control
861.0625Ctrl861.3625
082 (52)H2-82 Parker MountainLa Paz, AZ
2 freqs · 1 control
855.3375Ctrl858.8625
083 (53)H2-83 Cunningham PeakLa Paz, AZ
2 freqs · 1 control
855.1875Ctrl856.4125
084 (54)H2-84 Cabin CanyonClark, NV
3 freqs · 1 control
856.7875Ctrl854.0625858.8625
085 (55)H2-85 Frenchman MountainClark, NV
3 freqs · 1 control
855.3625Ctrl854.175856.6875
086 (56)H2-86 Potosi MountainClark, NV
3 freqs · 1 control
861.400Ctrl854.4375856.0375

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
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