On 5/25/12 8:54 AM, Jarek Kasjaniuk wrote: > W dniu 25.05.2012 17:02, Andy Smith pisze: >> www.nanpa.com (North American Number Plan Association). This is >> the "official" site for area code/exchange information in North >> America. www.localcallingguide.com also has information, but I'm >> not sure how "official" it is. Both sites have multiple ways of >> searching, i.e. per area code, by lata, by company, etc. > > Thank you to all of you for help and fast response to my inquiry. >
I've found www.telcodata.us useful as well. ~Seth
