Skip to main content
DSDownloadSpeed
FCC Data · Updated April 2026
A

Best Internet in New Castle, DE

100 Mbps avg · 29 ZIP codes · 100% fiber · 10 providers/ZIP

100
Avg Mbps
100
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in New Castle

ProviderZIP Codes Served% of Area
Comcast29100%
Bloosurf29100%
Verizon Delaware LLC29100%
T-Mobile29100%
BridgeMAXX29100%
Mediacom Delaware LLC29100%
Verizon Wireless29100%
Atlantic Broadband Finance, LLC29100%
Browse

ZIP Codes in New Castle

Test Your Speed

See how your connection compares to the 100 Mbps average in New Castle.

FAQ

Frequently Asked Questions

What is the average internet speed in New Castle, DE?

New Castle, Delaware has an average maximum download speed of 100 Mbps across 29 ZIP codes. The fastest available speed is 100 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in New Castle?

The most widely available providers in New Castle are Comcast (29 ZIPs), Bloosurf (29 ZIPs), Verizon Delaware LLC (29 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in New Castle?

Yes, fiber internet is available in 100% of New Castle's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does New Castle compare to the rest of Delaware?

New Castle has an average Broadband Grade of A (86/100). The New Castle area averages 10 providers per ZIP code with 100% fiber access. Check the Delaware overview for statewide comparison.