GLENROCK prefixes in area code 307
NANPA records 4 assigned NXX blocks to rate center GLENROCK in area code 307, 0.8% of the 499 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 NEW CINGULAR WIRELESS PCS, LLC (1), QWEST CORPORATION (1), ONVOY, LLC - WY (1). The earliest assignment on record here is 2002-12-27 and the most recent 2006-09-08. 2 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 307-309 | AT&T NEW CINGULAR WIRELESS PCS, LLC | 2006-09-08 | yes | yes |
| 307-436 | Lumen QWEST CORPORATION | – | no | yes |
| 307-554 | Onvoy ONVOY, LLC - WY | – | yes | yes |
| 307-741 | UNION TELEPHONE COMPANY | 2002-12-27 | no | 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 |
|---|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC | AT&T | 1 | 25% |
| QWEST CORPORATION | Lumen | 1 | 25% |
| ONVOY, LLC - WY | Onvoy | 1 | 25% |
| UNION TELEPHONE COMPANY | – | 1 | 25% |
Frequently asked
Which prefixes belong to GLENROCK in area code 307?
4 blocks: 309, 436, 554, 741. The table above gives the holder of each.
Which carriers have numbers in GLENROCK?
NEW CINGULAR WIRELESS PCS, LLC (1 block), QWEST CORPORATION (1 block), ONVOY, LLC - WY (1 block), UNION TELEPHONE COMPANY (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is GLENROCK 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.