Local Calling Guide
Area code/prefix search
Williams, IA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 515-307
| A |
DESMIADTX7X |
751F MCC TELEPHONY OF IOWA, LLC - IA |
632 |
|
|
|
| 515-307
| 0 |
|
515J IP HORIZON LLC |
632 |
|
2025-08-21 |
|
| 515-307
| 1 |
|
751F MCC TELEPHONY OF IOWA, LLC - IA |
632 |
|
2023-07-10 |
|
| 515-307
| 3 |
|
624H ONVOY SPECTRUM, LLC |
632 |
|
2024-12-19 |
|
| 515-355
| A |
DESMIADTXUX |
965H FRACTEL, LLC |
632 |
|
|
|
| 515-355
| 0 |
|
073H TELNYX LLC |
632 |
|
2020-05-29 |
|
| 515-355
| 1 |
|
221F ONVOY, LLC - IA |
632 |
|
2022-01-02 |
|
| 515-355
| 3 |
|
221F ONVOY, LLC - IA |
632 |
|
2020-11-16 |
|
| 515-355
| 4 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-06-11 |
|
| 515-355
| 5 |
|
965H FRACTEL, LLC |
632 |
|
2020-02-17 |
|
| 515-355
| 6 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-03-08 |
|
| 515-355
| 7 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-03-08 |
|
| 515-355
| 8 |
|
221F ONVOY, LLC - IA |
632 |
|
2021-10-29 |
|
| 515-355
| 9 |
|
221F ONVOY, LLC - IA |
632 |
|
2023-01-02 |
|
| 515-854
| A |
WLMSIACORS8 |
9631 QWEST CORPORATION |
632 |
|
|
|
| 515-854
| 0 |
|
221F ONVOY, LLC - IA |
632 |
|
2008-09-04 |
|
| 515-854
| 1 |
|
985E BANDWIDTH.COM CLEC, LLC - IA |
632 |
|
2012-02-10 |
|
| 515-854
| 2 |
|
9631 QWEST CORPORATION |
632 |
|
|
|
| 515-854
| 3 |
|
221F ONVOY, LLC - IA |
632 |
|
2019-09-20 |
|
| 515-854
| 4 |
|
221F ONVOY, LLC - IA |
632 |
|
2013-04-04 |
|
| 515-854
| 5 |
|
9877 LEVEL 3 COMMUNICATIONS, LLC - IA |
632 |
|
2014-07-04 |
|
| 515-854
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
632 |
|
2017-03-31 |
|
| 515-854
| 7 |
|
221F ONVOY, LLC - IA |
632 |
|
2016-04-15 |
|
| 515-854
| 8 |
|
221F ONVOY, LLC - IA |
632 |
|
2016-04-15 |
|
| 515-854
| 9 |
|
9631 QWEST CORPORATION |
632 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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