NPA	NXX	CLLI	City, ST	Telco
281	219	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	227	HSTNTXADDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	249	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
281	258	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	260	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	272	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	293	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	310	HSTNTX01DS2	HSTNSUBURB	AT&T LOCAL
281	330	HSTGTXQC2MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	349	SGLDTXAQ0MD	HSTNSUBURB	METROCALL
281	365	HSTZTXKW0MD	HSTNSUBURB	WEBLINK WIRELESS INC.
281	366	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	368	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	372	HSTNTXADDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	405	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	406	HSTNTX01DS3	HSTNSUBURB	AT&T LOCAL
281	412	HSTNTXPEDS1	HSTNSUBURB	SOUTHWESTERN BELL
281	416	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	436	HSTNTXEHDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	437	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	438	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	442	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	445	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	447	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	448	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	449	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	454	HSTNTXEHDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	458	HSTNTXEHDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	459	HSTNTXEHDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	464	HSTNTXWLCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	481	HSTNTXWLCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	484	HSTNTXWLCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	485	HSTNTXPEDS1	HSTNSUBURB	SOUTHWESTERN BELL
281	487	HSTNTXEERS0	HSTNSUBURB	SOUTHWESTERN BELL
281	493	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	495	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	496	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	497	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	498	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	504	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	506	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
281	509	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	515	HSTNTX27PMD	HSTNSUBURB	WESTEL INC. - TEXAS
281	529	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	530	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	531	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	544	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	552	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	556	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	558	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	560	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	561	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	564	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	568	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	575	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	582	HSTOTX42DS0	HSTNSUBURB	TIME WARNER COMMUNICATIONS OF HOUSTON L.P.
281	584	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	588	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	589	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	590	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	591	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	594	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	596	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	597	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	598	HSTNTXTODS0	HSTNSUBURB	WINSTAR COMMUNICATIONS LLC - TX
281	605	HSTNTXTODS0	HSTNSUBURB	WINSTAR COMMUNICATIONS LLC - TX
281	606	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	617	HSTNTXTODS0	HSTNSUBURB	WINSTAR COMMUNICATIONS LLC - TX
281	619	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	642	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	649	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	668	HSTOTX46DS0	HSTNSUBURB	MCI WORLDCOM COMMUNICATIONS INC. - TX
281	670	HSTOTX46DS0	HSTNSUBURB	MCI WORLDCOM COMMUNICATIONS INC. - TX
281	674	HSTOTX46DS0	HSTNSUBURB	MCI WORLDCOM COMMUNICATIONS INC. - TX
281	677	HSTOTX46DS0	HSTNSUBURB	MCI WORLDCOM COMMUNICATIONS INC. - TX
281	679	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	696	HSTNTXIT1MD	HSTNSUBURB	UNICOM PAGING NETWORK OF TEXAS INC.
281	699	HSTNTXIT1MD	HSTNSUBURB	UNICOM PAGING NETWORK OF TEXAS INC.
281	721	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	746	HSTXTXBFCM0	HSTNSUBURB	MAP MOBILE COMMUNICATIONS INC.
281	749	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	752	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	754	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	755	HSTXTXBFCM0	HSTNSUBURB	MAP MOBILE COMMUNICATIONS INC.
281	759	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	760	HSTNTXTODS0	HSTNSUBURB	WINSTAR COMMUNICATIONS LLC - TX
281	776	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	809	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	810	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	818	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	820	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	830	HSTGTXQC2MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	831	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	835	HSTNTXBWDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	847	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	848	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
281	850	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	854	HSTOTX42DS0	HSTNSUBURB	TIME WARNER COMMUNICATIONS OF HOUSTON L.P.
281	870	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	878	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	879	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	886	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	892	HSTNTXBURS1	HSTNSUBURB	INTERMEDIA COMMUNICATIONS INC. - TX
281	899	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	901	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
281	902	HSTOTX42DS0	HSTNSUBURB	TIME WARNER COMMUNICATIONS OF HOUSTON L.P.
281	920	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	921	HSTNTXYADS1	HSTNSUBURB	MPOWER COMMUNICATIONS CORP - TX
281	922	HSTNTXWLCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	924	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	925	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
281	928	HSTZTXKW0MD	HSTNSUBURB	WEBLINK WIRELESS INC.
281	929	HSTNTXWLCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	931	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	933	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	935	HSTDTXBGCM0	HSTNSUBURB	AERIAL COMMUNICATIONS
281	940	HSTNTXGIDS3	HSTNSUBURB	TELIGENT INC - TX .
281	960	HSTGTXQC2MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	965	HSTZTXFI1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
281	966	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	971	HSTNTX93X0X	HSTNSUBURB	GLOBAL CROSSING LOCAL SERVICES INC.-TX
281	977	HSTNTXPBDS0	HSTNSUBURB	ICG CHOICECOM L.P.
281	978	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	983	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	985	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	986	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	987	HSTNTXADCG0	HSTNSUBURB	SOUTHWESTERN BELL
281	988	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
281	991	HSTNTXEERS0	HSTNSUBURB	SOUTHWESTERN BELL
281	997	HSTNTXPEDS1	HSTNSUBURB	SOUTHWESTERN BELL
281	998	HSTNTXEERS0	HSTNSUBURB	SOUTHWESTERN BELL
281	999	HSTNTXAIDS0	HSTNSUBURB	SOUTHWESTERN BELL
713	280	HSTNTXGIDS1	HSTNSUBURB	MCIMETRO ATS INC.
713	436	HSTNTXIDCG0	HSTNSUBURB	SOUTHWESTERN BELL
713	466	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
713	474	KATYTXXADS2	HSTNSUBURB	FORT BEND LONG DISTANCE COMPANY
713	482	HSTOTX42DS0	HSTNSUBURB	TIME WARNER COMMUNICATIONS OF HOUSTON L.P.
713	510	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
713	538	HSTNTXBU3MD	HSTNSUBURB	2ND CENTURY COMMUNICATIONS INC. - TX
713	570	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
713	575	HSTNTXGIDS0	HSTNSUBURB	TELEPORT COMMUNICATIONS GROUP - HOUSTON
713	581	HSTNTXTODS0	HSTNSUBURB	WINSTAR COMMUNICATIONS LLC - TX
713	849	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
713	856	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
713	896	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
713	937	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
713	983	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
832	243	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
832	256	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
832	288	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
832	295	HSTNTXYADS0	HSTNSUBURB	FOCAL COMMUNICATIONS CORPORATION OF TEXAS
832	300	HSTNTXSXDS4	HSTNSUBURB	AMERICAN LIGHTWAVE COMMUNICATIONS INC. - TX
832	309	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
832	327	HSTNTXGIDS4	HSTNSUBURB	ALLEGIANCE TELECOM INC. - TX
832	328	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
832	347	HSTGTXQC2MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
832	351	HSTNTXALDS0	HSTNSUBURB	SOUTHWESTERN BELL
832	379	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
832	399	HSTNTXSXDS4	HSTNSUBURB	AMERICAN LIGHTWAVE COMMUNICATIONS INC. - TX
832	435	HSTGTXQC2MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
832	448	HSTNTXSXDS1	HSTNSUBURB	LOGIX COMMUNICATIONS CORPORATION - TX
832	456	HSTNTXSXDS4	HSTNSUBURB	AMERICAN LIGHTWAVE COMMUNICATIONS INC. - TX
832	462	HSTNTX990PB	HSTNSUBURB	STRATOS TELECOM INC. - TX
832	467	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
832	473	HSTGTXQC1MD	HSTNSUBURB	NEXTEL COMMUNICATIONS
832	486	HSTNTXBUDS0	HSTNSUBURB	SOUTHWESTERN BELL
832	554	HSTGTX05DS0	HSTNSUBURB	ADELPHIA BUSINESS SOLUTIONS OF TEXAS LP
832	590	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL
832	598	HSTWTXLKDS0	HSTNSUBURB	IONEX COMMUNICATIONS SOUTH INC.-TX
832	692	HSTDTXBGCM0	HSTNSUBURB	AERIAL COMMUNICATIONS
832	736	HSTNTXPEDS1	HSTNSUBURB	SOUTHWESTERN BELL
832	775	HSTATX75DS0	HSTNSUBURB	CAPROCK TELECOMMUNICATIONS CORP. - TX
832	818	HSTDTXBGCM0	HSTNSUBURB	AERIAL COMMUNICATIONS
832	955	HSTNTXFADS0	HSTNSUBURB	SOUTHWESTERN BELL