Local Calling Guide
Area code/prefix search
Underwood, IA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 712-201
| A |
OMAHNENWXPX |
221F ONVOY, LLC - IA |
644 |
|
|
|
| 712-201
| 0 |
|
221F ONVOY, LLC - IA |
644 |
|
2016-02-26 |
|
| 712-201
| 1 |
|
221F ONVOY, LLC - IA |
644 |
|
2016-01-22 |
|
| 712-201
| 2 |
|
221F ONVOY, LLC - IA |
644 |
|
2016-02-26 |
|
| 712-201
| 3 |
|
221F ONVOY, LLC - IA |
644 |
|
2016-04-14 |
|
| 712-201
| 4 |
|
221F ONVOY, LLC - IA |
644 |
|
2016-04-14 |
|
| 712-201
| 5 |
|
073H TELNYX LLC |
644 |
|
2018-07-02 |
|
| 712-201
| 6 |
|
423H AIRUS, INC - IA |
644 |
|
2019-05-20 |
|
| 712-201
| 7 |
|
318J COMCAST IP PHONE, LLC |
644 |
|
2018-04-07 |
|
| 712-201
| 8 |
|
221F ONVOY, LLC - IA |
644 |
|
2019-09-20 |
|
| 712-201
| 9 |
|
221F ONVOY, LLC - IA |
644 |
|
2018-02-24 |
|
| 712-543
| A |
OMAKNEYWDS1 |
423H AIRUS, INC - IA |
644 |
|
|
|
| 712-543
| 0 |
|
073H TELNYX LLC |
644 |
|
2019-12-14 |
|
| 712-543
| 1 |
|
423H AIRUS, INC - IA |
644 |
|
2019-12-13 |
|
| 712-543
| 2 |
|
624H ONVOY SPECTRUM, LLC |
644 |
|
2024-06-07 |
|
| 712-543
| 3 |
|
221F ONVOY, LLC - IA |
644 |
|
2021-05-10 |
|
| 712-543
| 4 |
|
156C BTC, INC. - IA |
644 |
|
2023-05-04 |
|
| 712-543
| 5 |
|
221F ONVOY, LLC - IA |
644 |
|
2020-05-14 |
|
| 712-543
| 7 |
|
9877 LEVEL 3 COMMUNICATIONS, LLC - IA |
644 |
|
2023-01-08 |
|
| 712-543
| 8 |
|
221F ONVOY, LLC - IA |
644 |
|
2021-04-23 |
|
| 712-543
| 9 |
|
221F ONVOY, LLC - IA |
644 |
|
2021-04-23 |
|
| 712-566
| A |
UNWDIACORS1 |
9631 QWEST CORPORATION |
644 |
|
|
|
| 712-566
| 0 |
|
318J COMCAST IP PHONE, LLC |
644 |
|
2005-02-20 |
|
| 712-566
| 1 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
644 |
|
2015-01-22 |
|
| 712-566
| 2 |
|
9631 QWEST CORPORATION |
644 |
|
|
|
| 712-566
| 3 |
|
9631 QWEST CORPORATION |
644 |
|
|
|
| 712-566
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
644 |
|
2014-01-31 |
|
| 712-566
| 5 |
|
985E BANDWIDTH.COM CLEC, LLC - IA |
644 |
|
2011-10-09 |
|
| 712-566
| 6 |
|
221F ONVOY, LLC - IA |
644 |
|
2013-04-04 |
|
| 712-566
| 7 |
|
221F ONVOY, LLC - IA |
644 |
|
2008-09-04 |
|
| 712-566
| 8 |
|
774B WALNUT TELEPHONE COMPANY, INC. - IA |
644 |
|
2006-12-30 |
|
| 712-566
| 9 |
|
9631 QWEST CORPORATION |
644 |
|
|
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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