Area codes · +1
Area code 854
Area code 854 is centred on Charleston, South Carolina. We hold 1,585 allocated blocks for it across 65 rate centres, split 45% mobile, 21% landline and 34% VoIP.
The other area codes laid over 854
Area code 854 does not have Charleston to itself. 1 other code — 843 — serves the same rate centres, laid over the same ground rather than dividing it. That is an overlay: a new code added when the old one ran out of numbers, covering the same streets. Two neighbours can hold different area codes, so the code says roughly when a number was issued rather than where it sits.
8435,269 blocks, 93 rate centres, mostly mobile
Each holds its own blocks and its own carrier mix, so a 854 number and a 843 number from the same street can report different line types. Filtering Charleston by area code needs all 2 of them.
854 is not confined to Charleston itself: its blocks sit across 65 rate centres, named in the table below.
South Carolina is split across 6 area codes — 864, 803, 843, 839, 854, 821. By allocated blocks 854 is the 5th largest of them, holding 7% of the South Carolina total.
Where 854 numbers are concentrated
NANPA truncates rate-centre names to ten characters and drops the spaces, which is why Summervl and Myrtle Bch 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 854 |
|---|---|---|
| Charleston | 319 | 20% |
| Hiltonhead | 167 | 11% |
| Beaufort | 105 | 7% |
| Florence | 95 | 6% |
| Summervl | 93 | 6% |
| Myrtle Bch | 87 | 5% |
| Mtpleasant | 65 | 4% |
| Moncks Cor | 54 | 3% |
| Walterboro | 40 | 3% |
| Bluffton | 32 | 2% |
| Ridgeland | 28 | 2% |
| Georgetown | 24 | 2% |
| Edisto Is | 18 | 1% |
| Wmyrtlebch | 18 | 1% |
| Isle Palms | 17 | 1% |
| Kingstree | 17 | 1% |
| Dillon | 16 | 1% |
| Lake City | 16 | 1% |
| Nmyrtlebch | 15 | 1% |
| St George | 15 | 1% |
| Lamar | 14 | 1% |
| Marion | 14 | 1% |
| Mullins | 14 | 1% |
| Cheraw | 13 | 1% |
41 further rate centres in 854 hold fewer blocks than these.
Carriers holding the most 854 blocks
Onvoy448 blocks
AT&T Wireless309 blocks
Verizon Wireless100 blocks
T-Mobile USA, Inc.91 blocks
Onvoy Spectrum80 blocks
Bandwidth75 blocks
The largest holder, Onvoy, has 28% of the code.
These are original allocations. A number keeps its digits and its block when its subscriber moves network, so a ported 854 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 854 number, or run a whole list through the free cleaner — neither uploads anything.
Common questions
Where is area code 854?
Area code 854 covers Charleston, South Carolina. It is not the only code there: 843 is an overlay on the same rate centres, so a Charleston, South Carolina number can start with any of them.
Is a 854 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 854 the split runs 45% mobile, 21% landline and 34% VoIP, so mobile is the most likely single answer.
Which carriers hold 854 numbers?
The largest holders are Onvoy, AT&T Wireless, Verizon Wireless. That is the carrier the block was allocated to, which is not necessarily the network a given number sits on today.
How many 854 numbers are there?
The code holds 1,585 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 854 covers on the order of 1,585,000 possible numbers — most of which have never been issued to anyone.