Rhode Island area codes
Rhode Island uses 1 area code. Its code 401 has been in service since 1947. It has 581 of its 786 possible number blocks allocated, 73.9% of capacity. Verizon holds 39.2% of the 581 assigned blocks across the state, ahead of T-Mobile at 12.2%; a further 3.8% sits with CLEC and VoIP holders outside the national carriers. In the 33 days to 30 October 2026, FTC complaints named a Rhode Island caller ID 562 times – 0.2% of all complaints in the window, most often 401 with 562 (190th of 422 nationally). NANPA records 25 rate centers in 401.
The Rhode Island area code
| Code | In service | Blocks used | Largest holder | Complaints | Shares area with |
|---|---|---|---|---|---|
| 401 | 1947 | 581/786 | Verizon 39.2% | 562 | no overlay |
Block share is share of allocated number blocks, not of subscribers. Complaint counts cover 28 Sep – 30 Oct 2026 and reflect spoofed caller IDs as much as real calls.
How full Rhode Island’s codes are
A code holds at most 786 blocks of 10,000 numbers each. When a code fills up, the administrator does not reclaim numbers – it adds an overlay, and from then on new numbers in the same area come from the new code.
Most room left
Who holds the number blocks
Counted from every assigned block in the state: 581 blocks, each with the holder NANPA recorded for it. Percentages are measured, not estimated.
| Holder | Blocks | Share of Rhode Island | Largest in |
|---|---|---|---|
| Verizon | 228 | 39.2% | 1 code |
| T-Mobile | 71 | 12.2% | – |
| Windstream | 65 | 11.2% | – |
| AT&T | 63 | 10.8% | – |
| Comcast | 35 | 6% | – |
| Onvoy | 33 | 5.7% | – |
| Lumen | 33 | 5.7% | – |
| Other CLEC / VoIP | 22 | 3.8% | – |
| Bandwidth | 13 | 2.2% | – |
| Telnyx | 3 | 0.5% | – |
| Peerless | 3 | 0.5% | – |
| Spok | 3 | 0.5% | – |
“Other CLEC / VoIP” is not one company: it is every holder outside the national carriers counted together, which is what resellers and app-based numbers look like in the records. This is allocation, not subscribers.
Spam complaints naming Rhode Island codes
FTC Do Not Call complaints where the caller ID shown was a Rhode Island number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are routinely faked, so these are complaints about the code, not calls proven to come from it.
Time zones
Rhode Island is in Eastern time.
Frequently asked about Rhode Island area codes
How many area codes does Rhode Island have?
1 in service. That code is 401.
What is the oldest area code in Rhode Island?
401, in service since 1947.
What time zone is Rhode Island in?
Eastern time.
Which Rhode Island area code gets the most spam complaints?
401 – 562 FTC complaints in the 33 days to 30 October 2026, 190th of 422 codes nationally. Those are complaints about the caller ID shown, and spam callers routinely fake a local-looking number, so this says the code is imitated often, not that the calls come from there.
Which carrier holds the most Rhode Island numbers?
Verizon, with 39.2% of the 581 blocks assigned across Rhode Island, ahead of T-Mobile at 12.2%. This is allocation of blocks by the numbering administrator, not a count of subscribers – people keep their numbers when they switch carriers.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
Figures on this page are counted from those files, not copied from other sites. Spotted an error? Request a correction. How we collect and check: methodology.