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Northern Telephone & Data (NTD)Business phone system provider in Oshkosh, WI

Northern Telephone & Data (NTD) is a business phone system provider at 300 N Koeller St, Oshkosh, WI 54902, ranked #10 of 18 business phone system providers in Oshkosh and rated 4.0 from 63 Google reviews. Open Monday to Friday.

Facts here come from public sources and the firm itself. Confirm certifications, insurance and contract terms with the firm before you sign.

Oshkosh, WIUpdated 0 paid placements in any rankingHow we rank

Call (920) 426-9192Website ↗

Key facts

Key facts about Northern Telephone & Data (NTD)
Address300 N Koeller St, Oshkosh, WI 54902Get directions
Phone(920) 426-9192
Websitentd.net
HoursMonday to Friday: 7:30 AM – 4 PM
Google rating4.0 from 63 Google reviews

Services

Each service shows the evidence we matched it on.

Service area

Serves Oshkosh and 11 towns within 50 miles: Neenah, Menasha, Fond du Lac, Appleton, Little Chute, Kaukauna, Waupun, De Pere, Ashwaubenon, Beaver Dam and Allouez.

Based in Oshkosh, WIView on map

Opening hours

Opening hours for Northern Telephone & Data (NTD)
DayHours
Monday7:30 AM – 4 PM
Tuesday7:30 AM – 4 PM
Wednesday7:30 AM – 4 PM
Thursday7:30 AM – 4 PM
Friday7:30 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Questions about Northern Telephone & Data (NTD)

How is Northern Telephone & Data (NTD) ranked in Oshkosh?

Northern Telephone & Data (NTD) is ranked #10 of 18 business phone system providers in Oshkosh by IFR Score, with 51 out of 100 as of November 2026. The score weighs reputation, review volume, recency, availability, service focus, proximity, claimed profile, partnered and client reviews. No business can pay to change its rank.

What are Northern Telephone & Data (NTD)’s hours?

Northern Telephone & Data (NTD) is open Monday to Friday. Its listed hours are Monday to Friday, 7:30 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Northern Telephone & Data (NTD) serve?

Serves Oshkosh and 11 towns within 50 miles: Neenah, Menasha, Fond du Lac, Appleton, Little Chute, Kaukauna, Waupun, De Pere, Ashwaubenon, Beaver Dam and Allouez. The list is based on the business's location and the usual service radius for business phone systems and VoIP. Confirm your address is covered when you call.

What do Google reviews say about Northern Telephone & Data (NTD)?

Northern Telephone & Data (NTD) has a rating of 4.0 from 63 Google reviews. The IFR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Northern Telephone & Data (NTD)?

Call Northern Telephone & Data (NTD) on (920) 426-9192. The business is at 300 N Koeller St, Oshkosh, WI 54902. Its website is linked in the key facts on this page. Ask for a written scope and quote before any work starts.

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Compare nearby business phone system providers

Northern Telephone & Data (NTD) compared with nearby businesses
BusinessRankIFR ScoreGoogle ratingSaturdaySundayDistance away
Northern Telephone & Data (NTD) (this business)—514.0 (63)NoNo
One Source Technologies, Inc#8524.2 (6)——37.2 mi
Livermore Technologies LLC#9514.8 (4)NoNo22.8 mi

See all 18 ranked business phone system providers in Oshkosh