Local Calling Guide
Area code/prefix search
Mount Morris, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-545
| A |
DKLBILXAX8X |
318J COMCAST IP PHONE, LLC |
364 |
|
|
|
| 779-545
| 0 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2007-09-22 |
|
| 779-545
| 1 |
|
073H TELNYX LLC |
364 |
|
2020-07-30 |
|
| 779-545
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2011-03-26 |
|
| 779-545
| 3 |
|
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 779-545
| 4 |
|
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 779-545
| 5 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
364 |
|
2022-01-14 |
|
| 779-545
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-08-08 |
|
| 779-545
| 8 |
|
495J STRATUS NETWORKS |
364 |
|
2020-10-14 |
|
| 779-545
| 9 |
|
624H ONVOY SPECTRUM, LLC |
364 |
|
2023-07-06 |
|
| 815-734
| A |
MTMRILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 0 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 1 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 2 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2006-08-11 |
|
| 815-734
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2002-11-29 |
|
| 815-734
| 4 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 5 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 6 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 7 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 8 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-734
| 9 |
|
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-841
| A |
LNRKILXA3MD |
443F AERO NORTH COMMUNICATIONS, INC. - IL |
364 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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