Date   
914 & 845 NPAs ; Fishers' Island NY (Re: Private Payphones; GTE) By Mark J. Cuccia ·
Old Area Code Test-Numbers Which Still Work By Mark J. Cuccia ·
More re Nogales AZ, and SXS vs. #5xb By Mark J. Cuccia ·
Nogales AZ USA (Re: Local from El Paso TX USA to Juarez CHIH Mexico?) By Mark J. Cuccia ·
Local calling El Paso TX USA to Ciudad Juarez CHIH Mexico ?? 2 messages By Mark J. Cuccia ·
Correction about Contel (Re: Mississippi Independent Telcos) By Mark J. Cuccia ·
Mississippi Independent Telcos; and telcos in the mid-Atlantic/Northeast By Mark J. Cuccia ·
"Multi-State" Incumbent Landline Telcos in the US 4 messages By Mark J. Cuccia ·
+52 Mexico and +1/NANP (reply to Joe Singer's reply) By Mark J. Cuccia ·
Local calling El Paso to Ciudad Juarez, MX 3 messages By Bob Sklar ·
earliest ref to "E & M signalling" 2 messages By ElmerCat ·
E & M By canadianalarmguy ·
Fw: earliest ref to "E & M signalling" By ElmerCat ·
Places Named After Their Area Code, e.g.: "The 450" 15 messages By ElmerCat ·
SAC 900 "Mass Calling" 4 messages By Mark J. Cuccia ·
Improving Phone History on Wikipedia - (was: NPA 900) By ElmerCat ·
Special Central Office Codes (Re: Code 958) 9 messages By Mark J. Cuccia ·
NPA 900 2 messages By Bob Sklar ·
CRTC Approves Saskatchewan 306/639 NPA Overlay By Mark J. Cuccia ·
SAC 900 "Mass Calling" / Early TSPS Flukes By ElmerCat ·