DAUPHIN prefixes in area code 717
NANPA records 4 assigned NXX blocks to rate center DAUPHIN in area code 717, 0.5% of the 784 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 4 holders hold those blocks, the largest being MCIMETRO ACCESS TRANSMISSION SERVICES LLC (1), WINDSTREAM D & E SYSTEMS, INC. - PA (1), LEVEL 3 COMMUNICATIONS, LLC - PA (1). The earliest assignment on record here is 2008-04-10 and the most recent 2008-04-10. 4 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area code 223 – overlay codes cover the same geography, so a rate center is served by all of them.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 717-474 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC | – | yes | yes |
| 717-559 | Windstream WINDSTREAM D & E SYSTEMS, INC. - PA | 2008-04-10 | yes | yes |
| 717-674 | Lumen LEVEL 3 COMMUNICATIONS, LLC - PA | – | yes | yes |
| 717-921 | Verizon VERIZON PENNSYLVANIA, INC. | – | yes | yes |
The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.
Who holds the blocks
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Verizon | 1 | 25% |
| WINDSTREAM D & E SYSTEMS, INC. - PA | Windstream | 1 | 25% |
| LEVEL 3 COMMUNICATIONS, LLC - PA | Lumen | 1 | 25% |
| VERIZON PENNSYLVANIA, INC. | Verizon | 1 | 25% |
Frequently asked
Which prefixes belong to DAUPHIN in area code 717?
4 blocks: 474, 559, 674, 921. The table above gives the holder of each.
Which carriers have numbers in DAUPHIN?
MCIMETRO ACCESS TRANSMISSION SERVICES LLC (1 block), WINDSTREAM D & E SYSTEMS, INC. - PA (1 block), LEVEL 3 COMMUNICATIONS, LLC - PA (1 block), VERIZON PENNSYLVANIA, INC. (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is DAUPHIN a city?
It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.