Area code 458

At a glance

Country code

+1

State

OR

Exchanges on record

248

Carriers on record

37

Most exchanges: Onvoy 48, T-Mobile 22, Ton80 Communications 22.

The exchange map

Formats and patterns

Any 458 number, in E.164

^\+1458[2-9]\d{6}$

+1, the area code, a central office code that does not start with 0 or 1, then four digits.

^\+1458(?:2(?:0[39]|1[0257-9]|2[013469]|3[289]|4[569]|5[0457]|6[0256]|7[14578]|8[57]|9[017])|3(?:0[2458]|1[4579]|2[236-9]|3[014578]|4[7-9]|5[47-9]|6[0-25])|457|90[12])\d{4}$

^\+1458(?:2(?:0[056]|3[1356]|48|59|6[78]|8[0369]|9[3-69])|3(?:01|16|39|55|64)|4(?:03|58)|5(?:05|46|[69]2)|658|868)\d{4}$

^\+1458(?:2(?:0[1247]|1[346]|2[578]|3[047]|4[0-47]|5[1-368]|6[1349]|7[02369]|8[1248]|9[28])|3(?:0[03679]|1[0238]|2[0145]|3[26]|4[0-6]|5[0-36]|63)|4(?:00|33|46|5[159]|6[36]|88)|5(?:00|29|44|8[28])|6(?:00|2[45]|32|[46]6|75|87)|7(?:[06]3|10|2[36]|4[26]|[57]7|8[37])|8(?:0[023]|3[267]|46|54|[67]7|8[68]|9[59])|9(?:[01]0|46|87|99))\d{4}$

The exchange patterns follow the original allocations; a number ported since keeps its digits but not necessarily its carrier or its line type.

Carriers and their exchanges

Every carrier holding exchanges in 458, with the exchanges allocated to it (the three digits after the area code).

Questions developers ask

Where is area code 458?

Area code 458 is in Oregon, in the United States: all 248 of its exchanges on record are there. From abroad it is dialled +1 458, then the seven-digit number.

Is a 458 number mobile or landline?

Either: in the North American Numbering Plan the line type belongs to the exchange (the three digits after the area code), not to the area code. Of the 248 exchanges on record in 458, 72 (29%) were allocated as mobile, 33 (13%) as fixed line, 119 (48%) as VoIP and 24 (10%) have no line type on record. A number can have been ported since, to another carrier and even to another line type.

Which carriers have numbers in area code 458?

37 carriers hold exchanges in 458 on record; the most: Onvoy (48), T-Mobile (22) and Ton80 Communications (22). These are the original allocations: with number portability, a number may be served by another carrier today, which only a live carrier lookup (an HLR or MNP query) can tell.

How do I validate a 458 phone number?

In E.164 a 458 number matches ^\+1458[2-9]\d{6}$: +1, the area code, a central office code that does not start with 0 or 1, then four digits. Written nationally it reads (458) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP.