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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-281
| 6 |
Naperville |
IL |
NPVLILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2012-11-24 |
|
| 331-281
| 7 |
Naperville |
IL |
NPVLILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2012-11-24 |
|
| 331-281
| 8 |
Naperville |
IL |
NPVLILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2012-11-24 |
|
| 331-281
| 9 |
Naperville |
IL |
NPVLILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2012-11-24 |
|
| 331-282
| A |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-02-11 |
|
| 331-282
| 0 |
Hinsdale |
IL |
|
516J TON80 COMMUNICATIONS LLC |
358 |
|
2022-02-12 |
|
| 331-282
| 1 |
Hinsdale |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2022-03-18 |
|
| 331-282
| 2 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-02-11 |
|
| 331-282
| 3 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-02-11 |
|
| 331-282
| 4 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-02-11 |
|
| 331-282
| 5 |
Hinsdale |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-02-12 |
|
| 331-282
| 6 |
Hinsdale |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-02-12 |
|
| 331-283
| A |
Geneva |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-04-24 |
|
| 331-283
| 3 |
Geneva |
IL |
|
516J TON80 COMMUNICATIONS LLC |
358 |
|
2022-04-25 |
|
| 331-283
| 8 |
Geneva |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-04-24 |
|
| 331-283
| 9 |
Geneva |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-04-24 |
|
| 331-284
| A |
Bartlett |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-05-02 |
|
| 331-284
| 8 |
Bartlett |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-05-02 |
|
| 331-284
| 9 |
Bartlett |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2022-05-02 |
|
| 331-285
| A |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 0 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 1 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 2 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 3 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 4 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-07-03 |
|
| 331-285
| 5 |
Naperville |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-07-04 |
|
| 331-285
| 6 |
Naperville |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2022-07-04 |
|
| 331-288
| A |
Elburn |
IL |
|
516J TON80 COMMUNICATIONS LLC |
358 |
|
2022-04-21 |
|
| 331-288
| 8 |
Elburn |
IL |
|
516J TON80 COMMUNICATIONS LLC |
358 |
|
2022-04-21 |
|
| 331-299
| A |
Hinsdale |
IL |
CHCGILWURMD |
965H FRACTEL LLC |
358 |
|
2021-03-04 |
|
| 331-299
| 1 |
Hinsdale |
IL |
CHCGILWUSMD |
145J TERRA NOVA TELECOM INC. |
358 |
|
2021-04-29 |
|
| 331-299
| 2 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-05 |
|
| 331-299
| 3 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-05 |
|
| 331-299
| 4 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-05 |
|
| 331-299
| 5 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-05 |
|
| 331-299
| 6 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-05 |
|
| 331-299
| 7 |
Hinsdale |
IL |
CHCGILNEXIX |
506J TWILIO INTERNATIONAL INC |
358 |
|
2021-04-13 |
|
| 331-299
| 8 |
Hinsdale |
IL |
ELGNILOT0MD |
6529 T-MOBILE USA, INC. |
358 |
|
2021-03-05 |
|
| 331-299
| 9 |
Hinsdale |
IL |
CHCGILWURMD |
965H FRACTEL LLC |
358 |
|
2021-03-04 |
|
| 331-300
| A |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-300
| 0 |
Aurora |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2016-07-10 |
|
| 331-300
| 1 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-07-11 |
|
| 331-300
| 2 |
Aurora |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE LLC |
358 |
|
2016-07-21 |
|
| 331-300
| 3 |
Aurora |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2016-08-18 |
|
| 331-300
| 4 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-08-28 |
|
| 331-300
| 5 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-08-28 |
|
| 331-300
| 6 |
Aurora |
IL |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2016-09-02 |
|
| 331-300
| 7 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2016-08-30 |
|
| 331-300
| 8 |
Aurora |
IL |
CHCGIL241MD |
057H LOCAL ACCESS LLC - IL |
358 |
|
2016-08-09 |
|
| 331-300
| 9 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2016-05-14 |
|
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Last updated: Wed, 01 Jun 2022 03:09:23 UTC
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