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Mobile City November 2015 1 (Ivey Lane)Photo: Michael Barera · CC BY-SA 4.0
The Mobile City handbook

Living in Mobile City, TX: what to set up and who to call

Oncor delivers the power in Mobile City, but in Texas’s open market you choose the company that sells it. The nearest library is Rockwall County Library, 2.3 miles away.

Which school will my kid attend?How do I register to vote?ZIP codes

I’m new in town

What to set up in Mobile City, and who provides it. Tap an answer for the details and where they come from.

PowerOncorinvestor-owned utilityMore →Internet8 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Mobile City’s trash rules yetMore →SchoolRockwall Independent School DistrictWhich school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP code75087Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Mobile City.

Electricity

Power comes from Oncor

Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Mobile City.

Start or move service: oncor.com · (888) 875-6279

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

8 home internet providers serve Mobile City

100% of 62 addresses can get 100/20 Mbps; 0% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
OptimumCable98%940/35
Peoples CommunicationsFixed wireless100%25/5
AT&TFixed wireless98%100/20
Rise BroadbandFixed wireless98%50/10
Wi-Five BroadbandFixed wireless97%100/100
Point BroadbandFixed wireless71%40/40

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Mobile City’s trash rules yet

Pickup rules, the dump and recycling in Mobile City.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Mobile City or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Mobile City kids go to
PK–616 schoolsDepends on your address
7–83 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

Mobile City is in Rockwall Independent School District.

Test scores and every school: see Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Town HallBudget, officials, electionsMobile City’s government in one page
Who runs elections hereRockwall County Early Voting ClerkElections here are run by Rockwall County (county election office). 915 Whitmore Drive, Ste D, Rockwall, TX 75087 · (972) 204-6200FVAP, Aug 2019
Register to voteIn personTexas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before).vote.govCheck your registration and polling placeteamrv-mvp.sos.texas.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Aug 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Mobile City is in ZIP code 75087

ZIP codes where Mobile City residents live, with the share of the town in each.

ZIPPost office nameShare of Mobile CityZIP’s residents in Mobile City
75087Rockwall, TX100%0%
Area code972Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomTexas Health Presbyterian Hospital Rockwall4 miles awayGet a library cardRockwall County Library1215 E Yellow Jacket Ln · (972) 204-7700

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Mobile City

Who provides electricity in Mobile City?

Oncor (Oncor Electric Delivery Co.), an investor-owned utility.

What internet providers serve Mobile City?

Optimum, Peoples Communications, AT&T, Rise Broadband, Wi-Five Broadband, Point Broadband (FCC, as of December 2025).

What ZIP codes are in Mobile City?

75087. Census 2020 ZIP Code Tabulation Areas.

What school district is Mobile City in?

Rockwall Independent School District.

How do I register to vote in Mobile City?

Texas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Rockwall County Early Voting Clerk. Check your registration at teamrv-mvp.sos.texas.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.