Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-239
| A |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 331-239
| 0 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-10-18 |
|
| 331-239
| 1 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-12-27 |
|
| 331-239
| 2 |
Yorkville |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2019-09-14 |
|
| 331-239
| 3 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-05-23 |
|
| 331-239
| 4 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-05-23 |
|
| 331-239
| 5 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-05-23 |
|
| 331-239
| 6 |
Yorkville |
IL |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2019-04-15 |
|
| 331-239
| 7 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-14 |
|
| 331-239
| 8 |
Yorkville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-14 |
|
| 331-239
| 9 |
Yorkville |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2018-11-24 |
|
| 331-240
| A |
West Chicago |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 331-240
| 0 |
West Chicago |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2013-12-05 |
|
| 331-240
| 1 |
West Chicago |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-03-14 |
|
| 331-240
| 2 |
West Chicago |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2013-11-20 |
|
| 331-240
| 3 |
West Chicago |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-06-01 |
|
| 331-240
| 4 |
West Chicago |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-06-01 |
|
| 331-240
| 5 |
West Chicago |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2013-10-30 |
|
| 331-240
| 6 |
West Chicago |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2013-10-30 |
|
| 331-240
| 7 |
West Chicago |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2013-10-30 |
|
| 331-240
| 8 |
West Chicago |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2013-10-30 |
|
| 331-240
| 9 |
West Chicago |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-03-14 |
|
| 331-241
| A |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 331-241
| 0 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-12-14 |
|
| 331-241
| 1 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-12-14 |
|
| 331-241
| 2 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-12-14 |
|
| 331-241
| 3 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2019-07-20 |
|
| 331-241
| 4 |
Lombard |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2019-09-26 |
|
| 331-241
| 5 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-01-17 |
|
| 331-241
| 6 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-09-06 |
|
| 331-241
| 7 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-09-06 |
|
| 331-241
| 8 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 331-241
| 9 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 331-242
| A |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-242
| 0 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 1 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 2 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 3 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 4 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 5 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 6 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 7 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 8 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-242
| 9 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-243
| A |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-243
| 0 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-09-26 |
|
| 331-243
| 1 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-243
| 2 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-243
| 3 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
| 331-243
| 4 |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2018-12-16 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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