Local Calling Guide
Area code/prefix search
Sheffield, IA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 641-677
| A |
DESMIADTXUX |
965H FRACTEL, LLC |
632 |
|
|
|
| 641-677
| 0 |
|
6529 T-MOBILE USA, INC. |
632 |
|
2024-08-15 |
|
| 641-677
| 3 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-04-16 |
|
| 641-677
| 4 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-04-16 |
|
| 641-677
| 6 |
|
145J TERRA NOVA TELECOM INC. |
632 |
|
2025-05-31 |
|
| 641-677
| 7 |
|
965H FRACTEL, LLC |
632 |
|
2020-02-17 |
|
| 641-892
| A |
SHFDIAXRDS0 |
1127 FRONTIER COMMUNICATIONS OF IOWA, INC. |
632 |
|
|
|
| 641-892
| 0 |
|
1127 FRONTIER COMMUNICATIONS OF IOWA, INC. |
632 |
|
|
|
| 641-892
| 1 |
|
751F MCC TELEPHONY OF IOWA, LLC - IA |
632 |
|
2010-04-15 |
|
| 641-892
| 2 |
|
5562 METROPCS, INC. |
632 |
|
2018-07-12 |
|
| 641-892
| 3 |
|
221F ONVOY, LLC - IA |
632 |
|
2018-11-18 |
|
| 641-892
| 4 |
|
1127 FRONTIER COMMUNICATIONS OF IOWA, INC. |
632 |
|
|
|
| 641-892
| 5 |
|
221F ONVOY, LLC - IA |
632 |
|
2019-10-28 |
|
| 641-892
| 6 |
|
544H INTEGRATED PATH COMMUNCATIONS, LLC - IA |
632 |
|
2018-05-16 |
|
| 641-892
| 8 |
|
1127 FRONTIER COMMUNICATIONS OF IOWA, INC. |
632 |
|
|
|
| 641-892
| 9 |
|
145J TERRA NOVA TELECOM INC. |
632 |
|
2026-01-04 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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