IOWA CITY prefixes in area code 319
NANPA records 50 assigned NXX blocks to rate center IOWA CITY in area code 319, 8.8% of the 565 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. 15 holders hold those blocks, the largest being QWEST CORPORATION (17), T-MOBILE USA, INC. (6), UNITED STATES CELLULAR - IA (5). The earliest assignment on record here is 2001-01-19 and the most recent 2024-06-18. 31 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 |
|---|---|---|---|---|
| 319-248 | Windstream PAETEC ITEL, LLC | – | no | yes |
| 319-259 | Telnyx TELNYX LLC | 2017-06-29 | yes | yes |
| 319-319 | Onvoy ONVOY, LLC - IA | 2022-09-27 | yes | yes |
| 319-321 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | – | no | yes |
| 319-325 | UNITED STATES CELLULAR - IA | 2001-03-09 | yes | yes |
| 319-330 | UNITED STATES CELLULAR - IA | – | yes | yes |
| 319-331 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | – | no | yes |
| 319-333 | MCC TELEPHONY LLC | 2010-03-19 | yes | yes |
| 319-335 | Lumen QWEST CORPORATION | – | no | yes |
| 319-337 | Lumen QWEST CORPORATION | – | no | yes |
| 319-338 | Lumen QWEST CORPORATION | – | no | yes |
| 319-339 | Lumen QWEST CORPORATION | – | no | yes |
| 319-341 | Lumen QWEST CORPORATION | – | no | yes |
| 319-351 | Lumen QWEST CORPORATION | – | no | yes |
| 319-353 | Lumen QWEST CORPORATION | – | no | yes |
| 319-354 | Lumen QWEST CORPORATION | – | no | yes |
| 319-356 | Lumen QWEST CORPORATION | – | no | yes |
| 319-358 | Lumen QWEST CORPORATION | – | no | yes |
| 319-359 | MCC TELEPHONY LLC | 2012-07-11 | yes | yes |
| 319-379 | HD CARRIER LLC | 2020-09-29 | yes | yes |
| 319-381 | STRATUS NETWORKS | 2020-12-21 | yes | yes |
| 319-383 | AT&T NEW CINGULAR WIRELESS PCS, LLC - IL | 2011-03-22 | yes | yes |
| 319-384 | Lumen QWEST CORPORATION | – | no | yes |
| 319-400 | AT&T NEW CINGULAR WIRELESS PCS, LLC - IL | 2001-01-19 | yes | yes |
| 319-402 | Comcast COMCAST IP PHONE, LLC | 2023-04-10 | yes | yes |
| 319-430 | UNITED STATES CELLULAR - IA | – | yes | yes |
| 319-466 | Lumen QWEST CORPORATION | – | no | yes |
| 319-467 | Lumen QWEST CORPORATION | – | no | yes |
| 319-471 | T-Mobile T-MOBILE USA, INC. | – | yes | yes |
| 319-485 | Windstream PAETEC ITEL, LLC | 2024-02-15 | yes | yes |
| 319-492 | Onvoy ONVOY, LLC - IA | 2024-06-18 | yes | yes |
| 319-499 | T-Mobile T-MOBILE USA, INC. | 2011-03-25 | yes | yes |
| 319-512 | AT&T NEW CINGULAR WIRELESS PCS, LLC - IL | – | yes | yes |
| 319-519 | AIRUS, INC - IA | 2014-10-22 | yes | yes |
| 319-530 | UNITED STATES CELLULAR - IA | – | yes | yes |
| 319-541 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | – | yes | yes |
| 319-569 | MCC TELEPHONY LLC | 2017-06-07 | yes | yes |
| 319-594 | T-Mobile T-MOBILE USA, INC. | – | yes | yes |
| 319-600 | FRACTEL, LLC | 2019-04-05 | yes | yes |
| 319-621 | T-Mobile T-MOBILE USA, INC. | – | yes | yes |
| 319-631 | T-Mobile T-MOBILE USA, INC. | – | yes | yes |
| 319-678 | Lumen QWEST CORPORATION | 2012-07-10 | yes | yes |
| 319-688 | Lumen QWEST CORPORATION | – | no | yes |
| 319-800 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | – | yes | yes |
| 319-834 | Lumen QWEST CORPORATION | – | yes | yes |
| 319-855 | AT&T NEW CINGULAR WIRELESS PCS, LLC - IL | 2008-09-08 | yes | yes |
| 319-867 | COMMIO, LLC | 2019-06-24 | yes | yes |
| 319-887 | Lumen QWEST CORPORATION | – | no | yes |
| 319-930 | UNITED STATES CELLULAR - IA | – | yes | yes |
| 319-936 | T-Mobile T-MOBILE USA, INC. | – | 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 |
|---|---|---|---|
| QWEST CORPORATION | Lumen | 17 | 34% |
| T-MOBILE USA, INC. | T-Mobile | 6 | 12% |
| UNITED STATES CELLULAR - IA | – | 5 | 10% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Verizon | 4 | 8% |
| NEW CINGULAR WIRELESS PCS, LLC - IL | AT&T | 4 | 8% |
| MCC TELEPHONY LLC | – | 3 | 6% |
| PAETEC ITEL, LLC | Windstream | 2 | 4% |
| ONVOY, LLC - IA | Onvoy | 2 | 4% |
| TELNYX LLC | Telnyx | 1 | 2% |
| HD CARRIER LLC | – | 1 | 2% |
| STRATUS NETWORKS | – | 1 | 2% |
| COMCAST IP PHONE, LLC | Comcast | 1 | 2% |
| AIRUS, INC - IA | – | 1 | 2% |
| FRACTEL, LLC | – | 1 | 2% |
| COMMIO, LLC | – | 1 | 2% |
Frequently asked
Which prefixes belong to IOWA CITY in area code 319?
50 blocks: 248, 259, 319, 321, 325, 330, 331, 333, 335, 337, 338, 339 and 38 more, all listed in the table above.
Which carriers have numbers in IOWA CITY?
QWEST CORPORATION (17 blocks), T-MOBILE USA, INC. (6 blocks), UNITED STATES CELLULAR - IA (5 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA (4 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (4 blocks), MCC TELEPHONY LLC (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is IOWA CITY 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.