Area codes · +1
Area code 401
Area code 401 is centred on Providence, Rhode Island. We hold 4,533 allocated blocks for it across 25 rate centres, split 38% mobile, 47% landline and 16% VoIP.
The towns inside area code 401
Area code 401 is not a city code. It covers 25 separate rate centres — billing areas, each its own local calling zone. The largest of them are named in the table below.
That matters twice over. A call between two 401 numbers is not necessarily a local call, because they can sit in different rate centres. And a code this wide narrows a subscriber to a region rather than a town.
401 is the only area code whose numbers sit mainly in Rhode Island. Every Rhode Island number therefore starts 401 unless it was issued in a border rate centre billed to a neighbouring code.
Where 401 numbers are concentrated
NANPA truncates rate-centre names to ten characters and drops the spaces, which is why Cumblnd Hl and W Warwick are shortened. Names are reproduced as recorded rather than expanded — the abbreviation is the key the block data is filed under.
| Rate centre | Blocks | Share of 401 |
|---|---|---|
| Providence | 1,684 | 37% |
| Pawtucket | 303 | 7% |
| Woonsocket | 206 | 5% |
| Cumblnd Hl | 194 | 4% |
| Newport | 187 | 4% |
| Centredale | 173 | 4% |
| W Warwick | 168 | 4% |
| Narragnstt | 163 | 4% |
| Warwick | 159 | 4% |
| Greenwich | 131 | 3% |
| Portsmouth | 113 | 2% |
| Coventry | 109 | 2% |
| Westerly | 103 | 2% |
| No Kingstn | 98 | 2% |
| Warren | 98 | 2% |
| Bristol | 94 | 2% |
| Pascoag | 80 | 2% |
| Hopevalley | 79 | 2% |
| Tiverton | 69 | 2% |
| Scituate | 53 | 1% |
| Carolina | 47 | 1% |
| Jamestown | 43 | 1% |
| Ltlcompton | 42 | 1% |
| Wglocester | 31 | 1% |
1 further rate centre in 401 hold fewer blocks than these.
Carriers holding the most 401 blocks
Verizon New England Inc.525 blocks
Onvoy463 blocks
T-Mobile USA, Inc.403 blocks
Verizon Wireless362 blocks
Bandwidth283 blocks
Omnipoint Miami E License, Llc256 blocks
No carrier holds more than 12% of 401; the blocks are spread thin across many companies.
These are original allocations. A number keeps its digits and its block when its subscriber moves network, so a ported 401 number still reports the carrier it started with. Closing that gap needs a live query against the routing database. How line type is derived.
Check a single 401 number, or run a whole list through the free cleaner — neither uploads anything.
Common questions
Where is area code 401?
Area code 401 is centred on Providence, Rhode Island and spans 25 rate centres, so it covers a region rather than a town.
Is a 401 number a mobile or a landline?
It can be either, and the digits do not say which. North American mobile and landline numbers share the same ranges, so the answer comes from the carrier holding the block. In 401 the split runs 38% mobile, 47% landline and 16% VoIP, so landline is the most likely single answer.
Which carriers hold 401 numbers?
The largest holders are Verizon New England Inc., Onvoy, T-Mobile USA, Inc.. That is the carrier the block was allocated to, which is not necessarily the network a given number sits on today.
How many 401 numbers are there?
The code holds 4,533 allocated blocks in our copy of the numbering plan. A block is 1,000 or 10,000 consecutive numbers depending on how deeply it has been pooled, so 401 covers on the order of 4,533,000 possible numbers — most of which have never been issued to anyone.