Local Calling Guide
Area code/prefix search
Grundy Center, IA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 319-245
| A |
GNCTIAXOPS0 |
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-245
| 0 |
|
6529 T-MOBILE USA, INC. |
635 |
|
2024-08-15 |
|
| 319-245
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
635 |
|
2018-03-01 |
|
| 319-245
| 3 |
|
221F ONVOY, LLC - IA |
635 |
|
2021-05-07 |
|
| 319-245
| 5 |
|
544H INTEGRATED PATH COMMUNCATIONS, LLC - IA |
635 |
|
2018-05-11 |
|
| 319-245
| 7 |
|
9877 LEVEL 3 COMMUNICATIONS, LLC - IA |
635 |
|
2017-06-10 |
|
| 319-245
| 9 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
2015-09-14 |
|
| 319-418
| A |
|
346F HEART OF IOWA VENTURES, L.L.C. - IA |
635 |
|
2025-09-28 |
|
| 319-418
| 8 |
|
346F HEART OF IOWA VENTURES, L.L.C. - IA |
635 |
|
2025-09-28 |
|
| 319-823
| A |
CDRRIADTX9X |
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-823
| 0 |
|
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-823
| 1 |
|
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
2014-02-06 |
|
| 319-823
| 3 |
|
5562 METROPCS, INC. |
635 |
|
2018-08-03 |
|
| 319-823
| 6 |
|
221F ONVOY, LLC - IA |
635 |
|
2021-10-29 |
|
| 319-823
| 8 |
|
593K MCC TELEPHONY LLC |
635 |
|
2010-05-06 |
|
| 319-824
| A |
GNCTIAXODS0 |
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 1 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 2 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 3 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 4 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 5 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 6 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-824
| 7 |
|
444G AUREON COMMUNICATIONS, LLC |
635 |
|
2025-07-28 |
|
| 319-824
| 8 |
|
221F ONVOY, LLC - IA |
635 |
|
2021-09-25 |
|
| 319-824
| 9 |
|
1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS |
635 |
|
|
|
| 319-825
| A |
|
444G AUREON COMMUNICATIONS, LLC |
635 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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