Area codes · +1
Area code 435
Area code 435 is centred on Utah. We hold 3,251 allocated blocks for it across 113 rate centres, split 51% mobile, 34% landline and 14% VoIP.
The towns inside area code 435
Area code 435 is not a city code. It covers 113 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 435 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.
Utah is split across 3 area codes — 385, 801, 435. By allocated blocks 435 is the third largest of them, holding 25% of the Utah total.
Where 435 numbers are concentrated
NANPA truncates rate-centre names to ten characters and drops the spaces, which is why St George and Brigham Cy 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 435 |
|---|---|---|
| St George | 442 | 14% |
| Logan | 332 | 10% |
| Tooele | 252 | 8% |
| Park City | 251 | 8% |
| Brigham Cy | 225 | 7% |
| Cedar City | 169 | 5% |
| Heber City | 136 | 4% |
| Richfield | 94 | 3% |
| Nephi | 68 | 2% |
| Beaver | 67 | 2% |
| Kamas | 64 | 2% |
| Bearriv Cy | 53 | 2% |
| Moab | 47 | 1% |
| Salina | 43 | 1% |
| Delta | 39 | 1% |
| Parowan | 38 | 1% |
| Vernal | 38 | 1% |
| Price | 36 | 1% |
| Monroe | 35 | 1% |
| Glncnyoncy | 34 | 1% |
| Brian Head | 32 | 1% |
| Roosevelt | 32 | 1% |
| Coalville | 30 | 1% |
| Tremonton | 30 | 1% |
89 further rate centres in 435 hold fewer blocks than these.
Carriers holding the most 435 blocks
Verizon Wireless557 blocks
Onvoy489 blocks
AT&T Wireless332 blocks
T-Mobile USA, Inc.271 blocks
Qwest Corporation231 blocks
T-Mobile Usa, Inc.203 blocks
The largest holder, Verizon Wireless, has 17% of the code.
These are original allocations. A number keeps its digits and its block when its subscriber moves network, so a ported 435 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 435 number, or run a whole list through the free cleaner — neither uploads anything.
Common questions
Where is area code 435?
Area code 435 is centred on Utah and spans 113 rate centres, so it covers a region rather than a town.
Is a 435 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 435 the split runs 51% mobile, 34% landline and 14% VoIP, so mobile is the most likely single answer.
Which carriers hold 435 numbers?
The largest holders are Verizon Wireless, Onvoy, AT&T Wireless. That is the carrier the block was allocated to, which is not necessarily the network a given number sits on today.
How many 435 numbers are there?
The code holds 3,251 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 435 covers on the order of 3,251,000 possible numbers — most of which have never been issued to anyone.