Best Coverage!

T-Mobile

99.17%
Coverage

  • Plans From $60 to $85
  • Unlimited Talk & Text
  • Up To 50GB Premium Data & 20GB 4G Hotspot
  • Netflix And Quibi Free For A Year
  • Up To 1080p Streaming
Call 800-866-2453

View Plans & Pricing

AT&T

98.88%
Coverage

  • Plans From $65 to $85
  • Unlimited Talk & Text
  • Up To 100GB Premium Data & 30GB 4G Hotspot
  • Top Plan Includes HBO MAX
  • Up To 720p Streaming
Call 800-288-2020

View Plans & Pricing

Verizon

98.00%
Coverage

  • Plans From $70 to $90
  • Unlimited Talk & Text
  • Up To 75GB Premium Data & 30GB 4G Hotspot
  • Most Plans Include Apple Music and 1 Year Of Disney+
  • Up To 720p Streaming
Call 844-751-8735

View Plans & Pricing

Cellular Access In Sylmar, CA


  • T-Mobile has the best cell phone coverage in Sylmar.
  • Sylmar, CA has an average of 93.88% coverage across the four major carriers.
  • Sylmar is 590th in California for cell reception ahead of Santa Clarita, Tujunga, Castaic, and La Canada Flintridge, but behind San Fernando.
  • Roughly 5.17 square miles of Sylmar has limited access to cellular data.
  • AT&T is ranked as the fastest provider in California.
  • Sylmar has 20 cell towers within 25 miles of the city center.

Sylmar Cellular Coverage Map


Cell Phone Coverage By ZIP In Sylmar

ZIP Code Verizon ATT T-Mobile
9134298%99%99%

Cell Phone Towers Near Sylmar, California

Licensee Address Height Tower Type
NEW CINGULAR WIRELESS PCS, LLC7401 Santa Susana Pass Rd, Simi Valley, CA 930639.8TANK
Los Angeles SMSA Limited Partnership1000 Box Canyon Rd, Simi Valley, CA 930638.5B
Los Angeles SMSA Limited Partnership4441 Cloud Ave, La Crescenta-Montrose, CA 9121416.8MAST
NEW CINGULAR WIRELESS PCS, LLC5359 Seneca Pl, Simi Valley, CA 9306313.7POLE
Los Angeles SMSA Limited Partnership641 N Sepulveda Blvd, Los Angeles, CA 900498BANT

User Reported Dead Zones In Sylmar

Carrier Address Comment Date Added
Verizon12500 Gladstone AvePoor signal, 1 bar or less2014
Data Provided By DeadCellZones.com

Cell Phone Stores Closest To Sylmar, CA

Carrier Address Phone Directions
AT&T13679 Foothill Blvd Unit B, Sylmar, CA, 91342818-888-9560Directions
Verizon13756 Foothill Blvd, Sylmar, CA, 91342818-408-4998Directions
T-Mobile2040 Glenoaks Blvd Ste G & H, San Fernando, CA, 91340747-500-8109Directions