Local Calling Guide
Area code/prefix search
NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]
NXX: 310
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
641-310 | A | Marshalltown | IA | DESMIADTFMD | 221F ONVOY, LLC - IA | 632 | 2024-04-29 | ||
641-310 | 0 | Marshalltown | IA | DESMIADTFMD | 221F ONVOY, LLC - IA | 632 | 2024-04-29 | ||
641-310 | 1 | Marshalltown | IA | DESMIADTX1X | 624H ONVOY SPECTRUM, LLC | 632 | 2024-12-15 | ||
641-310 | 3 | Marshalltown | IA | 6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 632 | 2025-08-18 | |||
641-310 | 6 | Marshalltown | IA | DESMIAITX7X | 695G IMON COMMUNICATIONS, LLC - IA | 632 | 2024-10-25 | ||
641-310 | 8 | Marshalltown | IA | 515J IP HORIZON LLC | 632 | 2025-09-26 | |||
641-310 | 9 | Marshalltown | IA | DESMIADTXKX | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 632 | 2024-12-15 |
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.