NPA NXX Database - Standard Edition Schema Copyright (C) 2006 npanxxsource.com All rights reserved. NPA NXX Combinations. Wireline, non-wireless service including POTS, Broadband etc. Wireless type service including PCS, Cellular, GSM, etc. Paging and other Messaging services. Multiple carriers are associated with the NPA NXX at either the 10,000-block or 1,000-block levels and type of service could not be determined. US - United States (US) CA - Canada (CA) BS - Bahamas (BA) BB - Barbados (BD) AI - Anguilla (AI) AG - Antigua and Barbuda (AN) VG - Virgin Islands, British (BV) KY - Cayman Islands (CQ) BM - Bermuda (BM) GD - Grenada (GN) TC - Turks and Caicos Islands (TC) MS - Montserrat (RT) LC - Saint Lucia (SA) DM - Dominica (DM) VC - Saint Vincent and the Grenadines (ZF) DO - Dominican Republic (DR) TT - Trinidad and Tobago (TR) KN - Saint Kitts and Nevis (KA) JM - Jamaica (JM)