Best Internet Suburbs in Adelaide (50 Top-Rated)

Looking for the best internet in Adelaide? We've ranked the top 50 suburbs within 50km of Adelaide's CBD by internet quality score. These suburbs offer the fastest, most reliable NBN connections in the Adelaide metropolitan area, based on technology type, fibre coverage, and connectivity data.

50 suburbs ranked · Data updated March 2026

Rank	Suburb	State	Tech Type	Score	Grade	Speed Range	Premises
1	Prospect	SA	FTTP	10/10	A+	25-1000 Mbps	7,804
2	Aldinga Beach	SA	FTTP	10/10	A+	25-1000 Mbps	5,818
3	Ingle Farm	SA	FTTP	10/10	A+	25-1000 Mbps	4,678
4	Strathalbyn	SA	FTTP	10/10	A+	25-1000 Mbps	4,195
5	Angle Vale	SA	FTTP	10/10	A+	25-1000 Mbps	3,922
6	Munno Para West	SA	FTTP	10/10	A+	25-1000 Mbps	3,443
7	Munno Para	SA	FTTP	10/10	A+	25-1000 Mbps	3,135
8	Gawler East	SA	FTTP	10/10	A+	25-1000 Mbps	2,848
9	Modbury North	SA	FTTP	10/10	A+	25-1000 Mbps	2,573
10	Seaford Rise	SA	FTTP	10/10	A+	25-1000 Mbps	2,534
11	Seaford	SA	FTTP	10/10	A+	25-1000 Mbps	2,445
12	Mclaren Vale	SA	FTTP	10/10	A+	25-1000 Mbps	2,309
13	Ridgehaven	SA	FTTP	10/10	A+	25-1000 Mbps	2,309
14	Seaford Meadows	SA	FTTP	10/10	A+	25-1000 Mbps	2,146
15	Walkerville	SA	FTTP	10/10	A+	25-1000 Mbps	1,818
16	Moana	SA	FTTP	10/10	A+	25-1000 Mbps	1,816
17	Port Noarlunga South	SA	FTTP	10/10	A+	25-1000 Mbps	1,632
18	Sellicks Beach	SA	FTTP	10/10	A+	25-1000 Mbps	1,614
19	St Clair	SA	FTTP	10/10	A+	25-1000 Mbps	1,590
20	Melrose Park	SA	FTTP	10/10	A+	25-1000 Mbps	1,470
21	Para Vista	SA	FTTP	10/10	A+	25-1000 Mbps	1,450
22	Bowden	SA	FTTP	10/10	A+	25-1000 Mbps	1,448
23	Colonel Light Gardens	SA	FTTP	10/10	A+	25-1000 Mbps	1,301
24	Evanston Gardens	SA	FTTP	10/10	A+	25-1000 Mbps	1,287
25	Riverlea Park	SA	FTTP	10/10	A+	25-1000 Mbps	1,255
26	Vale Park	SA	FTTP	10/10	A+	25-1000 Mbps	1,240
27	Port Willunga	SA	FTTP	10/10	A+	25-1000 Mbps	1,143
28	Nailsworth	SA	FTTP	10/10	A+	25-1000 Mbps	1,091
29	Seaford Heights	SA	FTTP	10/10	A+	25-1000 Mbps	1,068
30	Lower Mitcham	SA	FTTP	10/10	A+	25-1000 Mbps	1,005
31	Gilberton	SA	FTTP	10/10	A+	25-1000 Mbps	974
32	Roseworthy	SA	FTTP	10/10	A+	25-1000 Mbps	913
33	Eyre	SA	FTTP	10/10	A+	25-1000 Mbps	843
34	Collinswood	SA	FTTP	10/10	A+	25-1000 Mbps	813
35	Munno Para Downs	SA	FTTP	10/10	A+	25-1000 Mbps	722
36	Maslin Beach	SA	FTTP	10/10	A+	25-1000 Mbps	716
37	Old Noarlunga	SA	FTTP	10/10	A+	25-1000 Mbps	706
38	Clapham	SA	FTTP	10/10	A+	25-1000 Mbps	702
39	Woodforde	SA	FTTP	10/10	A+	25-1000 Mbps	589
40	Ovingham	SA	FTTP	10/10	A+	25-1000 Mbps	486
41	Dudley Park	SA	FTTP	10/10	A+	25-1000 Mbps	472
42	Medindie	SA	FTTP	10/10	A+	25-1000 Mbps	462
43	Direk	SA	FTTP	10/10	A+	25-1000 Mbps	428
44	Evanston South	SA	FTTP	10/10	A+	25-1000 Mbps	415
45	Onkaparinga Heights	SA	FTTP	10/10	A+	25-1000 Mbps	389
46	Gillman	SA	FTTP	10/10	A+	25-1000 Mbps	327
47	Fitzroy	SA	FTTP	10/10	A+	25-1000 Mbps	313
48	Salisbury South	SA	FTTP	10/10	A+	25-1000 Mbps	297
49	Edinburgh	SA	FTTP	10/10	A+	25-1000 Mbps	203
50	Kalbeeba	SA	FTTP	10/10	A+	25-1000 Mbps	164

About this ranking

Rankings are based on PickNBN's composite internet quality score, which factors in NBN technology type, fibre coverage percentage, FTTP upgrade status, and ABS Census household connectivity rates. Suburbs are sorted by score (highest first), with ties broken by total NBN premises.

Only suburbs with sufficient data quality (score ≥ 3/5) are included. Data sourced from NBN Co, ABS Census, and ACCC broadband benchmarks.