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Supreme Call

Supreme Call delivers reliable, easy-to-use VoIP phone systems for Los Angeles small businesses, backed by real human support and seamless onboarding.

About Supreme Call

Supreme Call is a Los Angeles-based VoIP provider built specifically for small and growing businesses that want more than just a phone system. We combine powerful cloud-based calling features with personalized, white-glove service that large carriers simply can’t match. From advanced call routing and auto attendants to voicemail-to-email, call recording, and mobile integration, Supreme Call gives your business the tools to communicate professionally from anywhere. Our team handles everything from setup to ongoing support, ensuring your system works exactly the way your business needs. Whether you're a local contractor, retail shop, or professional office, Supreme Call helps you stay connected, look professional, and never miss an opportunity, all with local support that understands the Los Angeles market.

Who it is for
Businesses managing team phone communications
The solution
Manage business calls through cloud communications, call queues, attendants and a smartphone extension app.

Features

  • Call queues

  • Auto attendant

  • Voicemail-to-email

  • Business text messaging

Details

Built for

Businesses managing team phone communications

Use cases
  • Routing incoming business calls
  • Receiving office-extension calls while away

Supreme Call homepage

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Website performance

Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.

46Needs workMobile Lighthouse

Last checked

Load time
2.93 s
FCP
6.36 s
LCP
23.40 s
CLS
0.000
TTFB
15 ms
TBT
451 ms
Speed index
8.15 s

Latest Performance Score: 46. Measured: October 13, 2026. Weekly Overall Rank: #994. Category Rank: #200 in Productivity. LCP: 23.40 s. Load Time: 2.93 s.

Overall rank · 2026-W41
#994
Down 20 places
Best overall rank
#974
0 top 10 finishes
Best category rank
#193
0 category wins
Latest change
+4 score
Best score 53 / 100

Website performance history

Inspect every successful mobile Lighthouse lab measurement by metric and date range.

Range

Latest score

46 / 100

Higher is better
10 measurements

Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.

Oct 6, 2026Oct 13, 2026

Weekly rank history

Track the product's finalized overall position on the IndieTools Speed leaderboard.

Range

MetricOverall rank

Latest rank

#994

Closer to #1 is better
2 weeks

Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.

Sep 28, 2026Oct 5, 2026

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