Local Calling Guide
Area code/prefix search
NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]
NXX: 220
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
231-220 | A | Muskegon | MI | GDRPMIBLX8Z | 2550 123 NET, INC. | 348 | |||
231-220 | 0 | Muskegon | MI | 2550 123 NET, INC. | 348 | ||||
231-220 | 1 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 2 | Muskegon | MI | 2550 123 NET, INC. | 348 | 2009-11-23 | |||
231-220 | 3 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 4 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 5 | Muskegon | MI | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 348 | 2006-03-03 | |||
231-220 | 6 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 7 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 8 | Muskegon | MI | 6664 SPRINT SPECTRUM L.P. | 348 | 2011-03-04 | |||
231-220 | 9 | Muskegon | MI | 543C ONVOY, LLC - MI | 348 | 2015-12-09 |
Last updated: Sun, 04 Apr 2021 19:28:27 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.