Local Calling Guide
Area code/prefix search
NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]
NXX:
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
331-281 | A | Naperville | IL | NPVLILNEDS0 | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | ||
331-281 | 0 | Naperville | IL | 7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL | 358 | 2013-05-23 | |||
331-281 | 1 | Naperville | IL | 224C ONVOY, LLC | 358 | 2013-04-12 | |||
331-281 | 2 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 3 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 4 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 5 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 6 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 7 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 8 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 | |||
331-281 | 9 | Naperville | IL | 9329 AMERITECH ILLINOIS | 358 | 2012-11-24 |
Last updated: Sun, 10 Nov 2019 13:49:34 UTC
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