ZIP 03821
Internet providers in Dover, NH (03821)
Listed for this ZIP
Highest verified download field
Lowest verified price field
Coverage sourced from FCC Broadband Data. Updated regularly.
Quick decision summary
These picks are calculated from price, speed, upload, risk, and availability confidence.
Best for upload
XfinityXfinity Connect More 200 Mbps plan
2.0 Gbps upload
Work calls, gaming, and cloud backup
Wireless backup
No wireless option listed
Fixed wireless, 5G, or satellite
ZIP-level estimate
Results for 03821 are ranked from ZIP/provider data. Exact address serviceability, final taxes, regional fees, and provider checkout terms still need confirmation before purchase.
Ranked internet plans at 03821
Every card includes why it ranks and watch-outs for price, upload, contract, data-cap, latency, and address certainty.
- #1ZIP-level estimateInternetStrong uploadNo contract signal
Xfinity
Xfinity Connect More 200 Mbps plan
Fit Score87/100Strong fit- Starting price
- $30/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 2.0 Gbps
- Upload
- 2.0 Gbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #2ZIP-level estimateInternetStrong uploadNo contract signal
Xfinity
Xfinity Fast 400 Mbps plan
Fit Score82/100Good fit- Starting price
- $50/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 2.0 Gbps
- Upload
- 2.0 Gbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #3ZIP-level estimatedslStrong uploadNo contract signal
Frontier
Frontier Fiber 500
Fit Score80/100Good fit- Starting price
- $49/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 500 Mbps
- Upload
- 500 Mbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #4ZIP-level estimatedslStrong uploadNo contract signal
Frontier
Frontier Fiber 1 Gig
Fit Score79/100Good fit- Starting price
- $69/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 1.0 Gbps
- Upload
- 1.0 Gbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #5ZIP-level estimatedslStrong uploadNo contract signal
Frontier
Frontier Fiber 2 Gbps
Fit Score76/100Good fit- Starting price
- $99/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 2.0 Gbps
- Upload
- 2.0 Gbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #6ZIP-level estimatedslStrong uploadNo contract signal
Frontier
Frontier Fiber 2 Gig
Fit Score76/100Good fit- Starting price
- $99/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 2.0 Gbps
- Upload
- 2.0 Gbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #7ZIP-level estimateInternetNo contract signalCost not fully verified
Xfinity
Xfinity Gigabit Extra (1.2 Gbps)
Fit Score73/100Good fit- Starting price
- $85/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 1.0 Gbps
- Upload
- 50 Mbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #8ZIP-level estimateInternetNo contract signalCost not fully verified
Xfinity
Xfinity Superfast 800 Mbps
Fit Score73/100Good fit- Starting price
- $70/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 500 Mbps
- Upload
- 50 Mbps
Why this ranks
- Download speed fits most multi-device households.
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #9ZIP-level estimateotherNo contract signalCost not fully verified
TDS Telecom
TDS Cable 1 Gbps
Fit Score68/100Review details- Starting price
- $69/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 200 Mbps
- Upload
- 50 Mbps
Why this ranks
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #10ZIP-level estimateotherNo contract signalCost not fully verified
TDS Telecom
TDS Fiber 1 Gig
Fit Score68/100Review details- Starting price
- $69/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 200 Mbps
- Upload
- 50 Mbps
Why this ranks
- Upload speed is strong enough for video calls and cloud work.
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #11ZIP-level estimateotherNo contract signalCost not fully verified
TDS Telecom
TDS High-Speed Cable 200
Fit Score68/100Review details- Starting price
- $44/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 220 Mbps
- Upload
- 25 Mbps
Why this ranks
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
- #12ZIP-level estimateotherNo contract signalCost not fully verified
TDS Telecom
TDS Fiber 2 Gig
Fit Score60/100Review details- Starting price
- $109/mo
- Month 13
- Not verified
- 24-mo avg
- Not verified
- Download
- 245 Mbps
- Upload
- 25 Mbps
Why this ranks
- Starting monthly price is available in the provider data.
- No contract requirement is present in the available plan data.
Watch-outs- Availability is not address-confirmed yet.
- Month-13 price is not verified in the current data.
- Latency is not verified.
- Data-cap terms are not verified.
Best for your use at 03821
Best value plans right now
Ranked by Mbps per dollar| Provider | Plan | Speed | Price | Type |
|---|---|---|---|---|
| Xfinity | Xfinity Connect More 200 Mbps plan | 2.0 Gbps | $30/mo | Internet |
| Xfinity | Xfinity Fast 400 Mbps plan | 2.0 Gbps | $50/mo | Internet |
| Frontier | Frontier Fiber 2 Gbps | 2.0 Gbps | $99/mo | Dsl |
| Frontier | Frontier Fiber 2 Gig | 2.0 Gbps | $99/mo | Dsl |
| Frontier | Frontier Fiber 1 Gig | 1.0 Gbps | $69/mo | Dsl |
Internet in Dover, NH
ZIP 03821 is in Dover, NH. 3 internet service providers deliver service at this ZIP, with speeds up to 2.0 Gbps, and monthly plans starting at $30. Service availability may vary by exact address — confirm with your chosen provider before you order.
Frequently asked questions
How many internet providers service Dover, NH (03821)?
3 providers currently list service at Dover, NH (03821). Coverage can vary block by block — confirm the address with the provider before you sign up.
What is the fastest speed available at 03821?
The fastest plan listed at 03821 is 2.0 Gbps. Fiber delivers the most consistent high-speed performance where available.
How much does internet cost at 03821?
Plans at 03821 start as low as $30 per month. Promotional rates often require autopay or paperless billing — read each provider's disclaimer before ordering.
Can I bundle TV or phone with internet at 03821?
Bundle availability is not verified for the current provider data at Dover, NH (03821). Confirm bundled pricing, contract terms, and equipment costs directly with the provider before ordering.