MONTROSE prefixes in area code 970
NANPA records 19 assigned NXX blocks to rate center MONTROSE in area code 970, 2.4% of the 786 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. 8 holders hold those blocks, the largest being CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO (5), NEW CINGULAR WIRELESS PCS, LLC (3), QWEST CORPORATION (3). The earliest assignment on record here is 2002-03-25 and the most recent 2025-06-06. 12 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 codes 217, 234, 272, 319 – 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 |
|---|---|---|---|---|
| 970-209 | AT&T NEW CINGULAR WIRELESS PCS, LLC | – | no | yes |
| 970-240 | Lumen QWEST CORPORATION | – | no | yes |
| 970-249 | Lumen QWEST CORPORATION | – | no | yes |
| 970-252 | Lumen QWEST CORPORATION | – | no | yes |
| 970-258 | T-Mobile METROPCS, INC. | – | yes | yes |
| 970-275 | AT&T NEW CINGULAR WIRELESS PCS, LLC | – | yes | yes |
| 970-417 | T-Mobile METROPCS, INC. | 2002-03-25 | yes | yes |
| 970-428 | NUCLA-NATURITA TELEPHONE COMPANY | 2006-01-18 | no | yes |
| 970-497 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CO | 2003-02-28 | yes | yes |
| 970-596 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | – | no | yes |
| 970-615 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 2012-10-04 | yes | yes |
| 970-650 | Onvoy ONVOY, LLC - CO | 2005-03-01 | yes | yes |
| 970-765 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CO | 2002-06-17 | yes | yes |
| 970-770 | UNION TELEPHONE COMPANY | 2012-05-08 | no | yes |
| 970-787 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 2015-07-09 | yes | yes |
| 970-901 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | – | yes | yes |
| 970-960 | AT&T NEW CINGULAR WIRELESS PCS, LLC | 2025-06-06 | yes | yes |
| 970-964 | Onvoy ONVOY, LLC - CO | – | yes | yes |
| 970-975 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 2017-06-15 | 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 |
|---|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | Verizon | 5 | 26.3% |
| NEW CINGULAR WIRELESS PCS, LLC | AT&T | 3 | 15.8% |
| QWEST CORPORATION | Lumen | 3 | 15.8% |
| METROPCS, INC. | T-Mobile | 2 | 10.5% |
| LEVEL 3 COMMUNICATIONS, LLC - CO | Lumen | 2 | 10.5% |
| ONVOY, LLC - CO | Onvoy | 2 | 10.5% |
| NUCLA-NATURITA TELEPHONE COMPANY | – | 1 | 5.3% |
| UNION TELEPHONE COMPANY | – | 1 | 5.3% |
Same rate center in other codes
Overlay codes cover the same geography, so one rate center is served by all of them.
Frequently asked
Which prefixes belong to MONTROSE in area code 970?
19 blocks: 209, 240, 249, 252, 258, 275, 417, 428, 497, 596, 615, 650 and 7 more, all listed in the table above.
Which carriers have numbers in MONTROSE?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO (5 blocks), NEW CINGULAR WIRELESS PCS, LLC (3 blocks), QWEST CORPORATION (3 blocks), METROPCS, INC. (2 blocks), LEVEL 3 COMMUNICATIONS, LLC - CO (2 blocks), ONVOY, LLC - CO (2 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is MONTROSE 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.