Local Calling Guide
Area code/prefix search
Dow, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 618-328
| A |
BLVLILAJ3MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
520 |
|
|
|
| 618-328
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
520 |
|
2020-04-12 |
|
| 618-328
| 1 |
|
624H ONVOY SPECTRUM, LLC |
520 |
|
2025-01-04 |
|
| 618-328
| 2 |
|
224C ONVOY, LLC |
520 |
|
2018-07-29 |
|
| 618-328
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
520 |
|
2005-03-10 |
|
| 618-328
| 4 |
|
224C ONVOY, LLC |
520 |
|
2019-07-29 |
|
| 618-328
| 5 |
|
224C ONVOY, LLC |
520 |
|
2019-07-29 |
|
| 618-328
| 6 |
|
224C ONVOY, LLC |
520 |
|
2021-02-26 |
|
| 618-328
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
520 |
|
2016-01-21 |
|
| 618-328
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2015-07-12 |
|
| 618-328
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2017-02-23 |
|
| 618-885
| A |
DOW ILXERS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-885
| 0 |
|
073H TELNYX LLC |
520 |
|
2020-07-06 |
|
| 618-885
| 1 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-885
| 2 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-885
| 3 |
|
224C ONVOY, LLC |
520 |
|
2022-12-08 |
|
| 618-885
| 4 |
|
145J TERRA NOVA TELECOM INC. |
520 |
|
2025-07-06 |
|
| 618-885
| 5 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-885
| 8 |
|
224C ONVOY, LLC |
520 |
|
2023-09-18 |
|
| 618-885
| 9 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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